Nemstskii, V.V. .
Qualitative theory of differential equations / by V.V. Nemytskii and V.V. Stepanov. - New York : Dover Publications, INC. , 1989 - 523p ;
0-486-65954-2
Mathematics
B33 / M9
Qualitative theory of differential equations / by V.V. Nemytskii and V.V. Stepanov. - New York : Dover Publications, INC. , 1989 - 523p ;
0-486-65954-2
Mathematics
B33 / M9