2025-02-22T16:54:27-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: Query fl=%2A&wt=json&json.nl=arrarr&q=id%3A%22irk-123456789-155009%22&qt=morelikethis&rows=5
2025-02-22T16:54:27-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: => GET http://localhost:8983/solr/biblio/select?fl=%2A&wt=json&json.nl=arrarr&q=id%3A%22irk-123456789-155009%22&qt=morelikethis&rows=5
2025-02-22T16:54:27-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: <= 200 OK
2025-02-22T16:54:27-05:00 DEBUG: Deserialized SOLR response
О периодических решениях волновых уравнений второго порядка
It is established that the linear problem utt−a²uxx=g(x,t), u(0,t)=u(π,t), u(x,t+T)=u(x,t) is always solvable in the space of functions A={g:g(x,t)=g(x,t+T)=g(π−x,t)=−g(−x,t)} provided that aTq=(2p−1)π, (2p−1,q)=1, where p,q are integers. To prove this statement, an explicit solution is constructed...
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| Main Authors: | , |
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| Format: | Article |
| Language: | Russian |
| Published: |
Інститут математики НАН України
1993
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| Series: | Український математичний журнал |
| Subjects: | |
| Online Access: | http://dspace.nbuv.gov.ua/handle/123456789/155009 |
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