2025-02-23T13:24:40-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: Query fl=%2A&wt=json&json.nl=arrarr&q=id%3A%22irk-123456789-146113%22&qt=morelikethis&rows=5
2025-02-23T13:24:40-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: => GET http://localhost:8983/solr/biblio/select?fl=%2A&wt=json&json.nl=arrarr&q=id%3A%22irk-123456789-146113%22&qt=morelikethis&rows=5
2025-02-23T13:24:40-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: <= 200 OK
2025-02-23T13:24:40-05:00 DEBUG: Deserialized SOLR response
Finding Liouvillian First Integrals of Rational ODEs of Any Order in Finite Terms

Finding Liouvillian First Integrals of Rational ODEs of Any Order in Finite Terms

It is known, due to Mordukhai-Boltovski, Ritt, Prelle, Singer, Christopher and others, that if a given rational ODE has a Liouvillian first integral then the corresponding integrating factor of the ODE must be of a very special form of a product of powers and exponents of irreducible polynomials. Th...

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Bibliographic Details
Main Author: Kosovtsov, Y.N.
Format: Article
Language:English
Published: Інститут математики НАН України 2006
Series:Symmetry, Integrability and Geometry: Methods and Applications
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/146113
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2025-02-23T13:24:40-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: Query fl=%2A&rows=40&rows=5&wt=json&json.nl=arrarr&q=id%3A%22irk-123456789-146113%22&qt=morelikethis
2025-02-23T13:24:40-05:00 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-123456789-146113%22&qt=morelikethis
2025-02-23T13:24:40-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: <= 200 OK
2025-02-23T13:24:40-05:00 DEBUG: Deserialized SOLR response

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