2025-02-23T09:27:01-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: Query fl=%2A&wt=json&json.nl=arrarr&q=id%3A%22irk-123456789-124564%22&qt=morelikethis&rows=5
2025-02-23T09:27:01-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: => GET http://localhost:8983/solr/biblio/select?fl=%2A&wt=json&json.nl=arrarr&q=id%3A%22irk-123456789-124564%22&qt=morelikethis&rows=5
2025-02-23T09:27:01-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: <= 200 OK
2025-02-23T09:27:01-05:00 DEBUG: Deserialized SOLR response

Operator pencils of the second order and linear fractional relations

The notions of a pencil of the second order and a linear fractional relation (LFR) are defined in spaces of linear bounded operators acting between Banach spaces. It is shown that these notions are closely connected with various theoretical and applied problems and have diverse applications. A numbe...

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Bibliographic Details
Main Authors: Khatskevich, V., Karelin, I., Zelenko, L.
Format: Article
Language:English
Published: Інститут прикладної математики і механіки НАН України 2006
Series:Український математичний вісник
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/124564
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2025-02-23T09:27:01-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: Query fl=%2A&rows=40&rows=5&wt=json&json.nl=arrarr&q=id%3A%22irk-123456789-124564%22&qt=morelikethis
2025-02-23T09:27:01-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: => GET http://localhost:8983/solr/biblio/select?fl=%2A&rows=40&rows=5&wt=json&json.nl=arrarr&q=id%3A%22irk-123456789-124564%22&qt=morelikethis
2025-02-23T09:27:01-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: <= 200 OK
2025-02-23T09:27:01-05:00 DEBUG: Deserialized SOLR response