Qualitative theory of differential equations

por Nemyt͡skiĭ, V. V. (Viktor Vladimirovich), 1900-1967 , Stepanov, V. V. (Vi͡acheslav Vasilʹevich), 1889-1950
Publicado 1960

Qualitative Theory of Differential Equations /

por Nemyt︠s︡kiĭ, V. V. (Viktor Vladimirovich), 1900-1967 , Stepanov, V. V. (Vi︠a︡cheslav Vasilʹevich), 1889-1950
Publicado 1960