TY  - JOUR
AU  - S. G. Kondratenya
AU  - E. G. Prolisko
AU  - T. I. Shilo
TI  - On the existence of polar solutions to first-order differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1988
SP  - 1824
EP  - 1826
VL  - 24
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1988_24_10_a23/
LA  - ru
ID  - DE_1988_24_10_a23
ER  -