In this post we will see the book Differential Equations and the Calculus of Variations by L. Elsgolts.
About the book:
This text is meant for students of higher schools and deals with the most important sections of mathematics-differential equations and the calculus of variations. The book contains a large number of examples and problems with solutions involving applications of mathematics to physics and mechanics.
The book was translated from the Russian by George Yankovsky and was first published by Mir Publishers in 1970. There were two reprints one in 1973 and one in 1977. The link below is to the third reprint.
PDF | OCR | Cover | 600 dpi | Bookmarked | Paginated | 22.8 MB (20.9 MB Zipped) | 450 pages
(Note: IA file parameters maybe different.)
You can get the book here (IA) and here (mega).
PS: Sorry for the earlier glitch with the posts. They all got published accidentally when they were not yet ready.
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