{"id":"https://openalex.org/W4237207339","doi":"https://doi.org/10.4213/mzm12709","title":"\u0421\u0430\u043c\u043e\u0441\u043e\u043f\u0440\u044f\u0436\u0435\u043d\u043d\u043e\u0441\u0442\u044c \u0438 \u0434\u0438\u0441\u043a\u0440\u0435\u0442\u043d\u043e\u0441\u0442\u044c \u0441\u043f\u0435\u043a\u0442\u0440\u0430 \u0431\u043b\u043e\u0447\u043d\u044b\u0445 \u044f\u043a\u043e\u0431\u0438\u0435\u0432\u044b\u0445 \u043c\u0430\u0442\u0440\u0438\u0446","display_name":"\u0421\u0430\u043c\u043e\u0441\u043e\u043f\u0440\u044f\u0436\u0435\u043d\u043d\u043e\u0441\u0442\u044c \u0438 \u0434\u0438\u0441\u043a\u0440\u0435\u0442\u043d\u043e\u0441\u0442\u044c \u0441\u043f\u0435\u043a\u0442\u0440\u0430 \u0431\u043b\u043e\u0447\u043d\u044b\u0445 \u044f\u043a\u043e\u0431\u0438\u0435\u0432\u044b\u0445 \u043c\u0430\u0442\u0440\u0438\u0446","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W4237207339","doi":"https://doi.org/10.4213/mzm12709"},"language":"ru","primary_location":{"id":"doi:10.4213/mzm12709","doi":"https://doi.org/10.4213/mzm12709","is_oa":false,"landing_page_url":"https://doi.org/10.4213/mzm12709","pdf_url":null,"source":{"id":"https://openalex.org/S4210209227","display_name":"\u041c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0437\u0430\u043c\u0435\u0442\u043a\u0438","issn_l":"0025-567X","issn":["0025-567X","2305-2880"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["russia-white-list-1"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"\u041c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0437\u0430\u043c\u0435\u0442\u043a\u0438","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5033373475","display_name":"Viktoriya Sergeevna Budyka","orcid":"https://orcid.org/0000-0003-4528-5778","observed_orcids":["https://orcid.org/0000-0003-4528-5778"]},"institutions":[{"id":"https://openalex.org/I126527374","display_name":"Peoples' Friendship University of Russia","ror":"https://ror.org/02dn9h927","country_code":"RU","type":"education","lineage":["https://openalex.org/I126527374"]},{"id":"https://openalex.org/I222543490","display_name":"Donetsk State University of Management","ror":"https://ror.org/03e269852","country_code":"UA","type":"education","lineage":["https://openalex.org/I222543490"]}],"countries":["RU","UA"],"is_corresponding":false,"raw_author_name":"Viktoriya Sergeevna Budyka","raw_affiliation_strings":["Donetsk State Academy of Management","Peoples' Friendship University of Russia, Moscow"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Donetsk State Academy of Management","institution_ids":["https://openalex.org/I222543490"]},{"raw_affiliation_string":"Peoples' Friendship University of Russia, Moscow","institution_ids":["https://openalex.org/I126527374"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5075134368","display_name":"Mark Mikhailovich Malamud","orcid":"https://orcid.org/0000-0001-9118-448X","observed_orcids":["https://orcid.org/0000-0001-9118-448X"]},"institutions":[{"id":"https://openalex.org/I126527374","display_name":"Peoples' Friendship University of Russia","ror":"https://ror.org/02dn9h927","country_code":"RU","type":"education","lineage":["https://openalex.org/I126527374"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"Mark Mikhailovich Malamud","raw_affiliation_strings":["Peoples' Friendship University of Russia, Moscow"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Peoples' Friendship University of Russia, Moscow","institution_ids":["https://openalex.org/I126527374"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3977,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.51656343,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":93},"biblio":{"volume":"108","issue":"3","first_page":"457","last_page":"462"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10792","display_name":"Matrix Theory and Algorithms","score":0.9609000086784363,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10792","display_name":"Matrix Theory and Algorithms","score":0.9609000086784363,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11022","display_name":"Spectral Theory in Mathematical Physics","score":0.030500000342726707,"subfield":{"id":"https://openalex.org/subfields/2610","display_name":"Mathematical Physics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10884","display_name":"Holomorphic and Operator Theory","score":0.002199999988079071,"subfield":{"id":"https://openalex.org/subfields/2604","display_name":"Applied Mathematics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/self-adjointness","display_name":"self-adjointness","score":0.9629999995231628},{"id":"https://openalex.org/keywords/spectral-discreteness","display_name":"spectral discreteness","score":0.8270000219345093},{"id":"https://openalex.org/keywords/eigenvalues","display_name":"eigenvalues","score":0.652999997138977},{"id":"https://openalex.org/keywords/block-matrices","display_name":"block matrices","score":0.3319999873638153}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.25539156794548035}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.4213/mzm12709","doi":"https://doi.org/10.4213/mzm12709","is_oa":false,"landing_page_url":"https://doi.org/10.4213/mzm12709","pdf_url":null,"source":{"id":"https://openalex.org/S4210209227","display_name":"\u041c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0437\u0430\u043c\u0435\u0442\u043a\u0438","issn_l":"0025-567X","issn":["0025-567X","2305-2880"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["russia-white-list-1"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"\u041c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0437\u0430\u043c\u0435\u0442\u043a\u0438","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G2220742289","display_name":null,"funder_award_id":"075-03-2020-223/3","funder_id":"https://openalex.org/F4320321912","funder_display_name":"Ministry of Education and Science of the Russian Federation"}],"funders":[{"id":"https://openalex.org/F4320321912","display_name":"Ministry of Education and Science of the Russian Federation","ror":"https://ror.org/00ghqgy32"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W2024718144","https://openalex.org/W2034460349","https://openalex.org/W2043211497","https://openalex.org/W2293472733","https://openalex.org/W2320420759","https://openalex.org/W2332254433","https://openalex.org/W2333335689","https://openalex.org/W2335633506","https://openalex.org/W2773851963","https://openalex.org/W2795652548","https://openalex.org/W2963839062","https://openalex.org/W2996932858","https://openalex.org/W4299786818"],"related_works":["https://openalex.org/W3096315929","https://openalex.org/W2322287681","https://openalex.org/W6997590335","https://openalex.org/W2333138676","https://openalex.org/W7007029753","https://openalex.org/W2332003439","https://openalex.org/W2019514996","https://openalex.org/W2109340028","https://openalex.org/W2334520944","https://openalex.org/W7120799004"],"abstract_inverted_index":null,"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2026-09-22T06:50:58.402377","created_date":"2022-05-12T00:00:00"}