2025-02-23T16:10:49-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: Query fl=%2A&wt=json&json.nl=arrarr&q=id%3A%22irk-123456789-119397%22&qt=morelikethis&rows=5
2025-02-23T16:10:49-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: => GET http://localhost:8983/solr/biblio/select?fl=%2A&wt=json&json.nl=arrarr&q=id%3A%22irk-123456789-119397%22&qt=morelikethis&rows=5
2025-02-23T16:10:49-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: <= 200 OK
2025-02-23T16:10:49-05:00 DEBUG: Deserialized SOLR response
Gravitational lens equation: critical solutions and magnification near folds and cusps

Gravitational lens equation: critical solutions and magnification near folds and cusps

We study approximate solutions of the gravitational lens equation and corresponding lens magnification factor near the critical point. This consideration is based on the Taylor expansion of the lens potential in powers of coordinates and an introduction of a proximity parameter characterising the cl...

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Bibliographic Details
Main Authors: Alexandrov, A.N., Koval, S.M., Zhdanov, V.I.
Format: Article
Language:English
Published: Головна астрономічна обсерваторія НАН України 2012
Series:Advances in Astronomy and Space Physics
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/119397
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2025-02-23T16:10:49-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: Query fl=%2A&rows=40&rows=5&wt=json&json.nl=arrarr&q=id%3A%22irk-123456789-119397%22&qt=morelikethis
2025-02-23T16:10:49-05:00 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-123456789-119397%22&qt=morelikethis
2025-02-23T16:10:49-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: <= 200 OK
2025-02-23T16:10:49-05:00 DEBUG: Deserialized SOLR response

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