TY  - JOUR
AU  - V. N. Monakov
TI  - The existence of a locally invariant surface for certain strongly nonlinear systems of differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1972
SP  - 1772
EP  - 1778
VL  - 8
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1972_8_10_a6/
LA  - ru
ID  - DE_1972_8_10_a6
ER  -