TY  - JOUR
AU  - S. G. Kondratenya
AU  - V. G. Linevich
TI  - On the question of classes of first-order differential equations with stationary critical singular points
JO  - Differencialʹnye uravneniâ
PY  - 1978
SP  - 2276
EP  - 2278
VL  - 14
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1978_14_12_a23/
LA  - ru
ID  - DE_1978_14_12_a23
ER  -