Kurant Rikhard. Uravneniya s chastnymi proizvodnymi./Richard Courant. Equations with partial derivatives. In Russian (ask us if in doubt) - landofmagazines.com

TransliterationKurant Rikhard. Uravneniya s chastnymi proizvodnymi.

In EnglishRichard Courant. Equations with partial derivatives. In Russian (ask us if in doubt)

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