https://opac.ru.ac.bd/cgi-bin/koha/opac-search.pl?q=ccl=an%3A27434&sort_by=relevance&format=rss 2 0 100 ISBN: https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=8826 By Tychonov, A. N..
San Francisco : Holden-Day, 1964 .
1 v., 380 p : , Translation of [Uravnenii͡a matematicheskoĭ fiziki] 26 cm.

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]]> https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=8826 ISBN: https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=8834 By Tychonov, A. N..
San Francisco : Holden-Day, 1967 .
2 v., 621 p : 26 cm.

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