Kurs differen︠t︡sialʹnykh uravneniĭ

by Stepanov, V. V (Vi︠a︡cheslav Vasilʹevich), 1889-1950
Published 1945

Lachestvennai︠a︡ teorii︠a︡ different︠s︡ialʹnykh uravneniĭ,

by Nemyt︠s︡kiĭ, V. V (Viktor Vladimirovich), 1900-1967
Published 1949

Kachestvennai︠a︡ teorii︠a︡ different︠s︡ialʹnykh uravneniĭ /

by Nemyt︠s︡kiĭ, V. V (Viktor Vladimirovich), 1900-, Nemyt︠s︡kiĭ, V. V (Viktor Vladimirovich), 1900-1967, Nemyt︠s︡kiĭ, V. V (Viktor Vladimirovich), 1900-1967, Nemy︠t︡skiĭ, V. V (Viktor Vladimirovich), 1900-
Published 1947