Krylov A.N.,  Bogolyubov N.N. Osnovnye problemy nelineynoy mekhaniki./Krylov A.N.,  Bogolyubov N.N. The main problems of non-linear mechanics. In Russian - landofmagazines.com

TransliterationKrylov A.N., Bogolyubov N.N. Osnovnye problemy nelineynoy mekhaniki.

In EnglishKrylov A.N., Bogolyubov N.N. The main problems of non-linear mechanics. In Russian

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