TY  - JOUR
AU  - V. P. Pisarenok
TI  - Singularities of a system of differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1981
SP  - 1630
EP  - 1634
VL  - 17
IS  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1981_17_9_a10/
LA  - ru
ID  - DE_1981_17_9_a10
ER  -