TY  - JOUR
AU  - N. E. Bol'shakov
AU  - P. P. Potapenko
TI  - The Ljapunov theorem for systems of equations in total differentials
JO  - Differencialʹnye uravneniâ
PY  - 1980
SP  - 934
EP  - 936
VL  - 16
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1980_16_5_a15/
LA  - ru
ID  - DE_1980_16_5_a15
ER  -