by L. Ė Ėlʹsgolʹt͡s
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Different͡sialʹnye uravnenii͡a i variat͡...
Vvedenie v teorii͡u different͡sialʹnykh ...
Calculus of variations
Qualitative methods in mathematical anal...
Introduction to the theory and applicati...
Introduction to the theory of differenti...
A course of modern analysis
Differential equations and boundary valu...
Integral Methods in Science and Engineer...
A pictorial history of the Negro in Amer...
Differential equations
Elementary differential equations