TransliterationSteklov V.A.Bobylev D. Uravneniya s chastnymi proizvodnymi. Po lektsiyam prof. V.A.Steklova 1910-1911gg
In EnglishSteklov V.A.Bobilev D. Equations with partial derivatives. According to lectures by Professor V.A.Steklov 1910-1911 In Russian (ask us if in doubt).
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