TY  - JOUR
AU  - P. T. Cherevichny
TI  - Formulae for the computation of the index of a singular point of the equation $y'=\frac{P_3(x,y)}{Q_3(x,y)}$ in terms 

JO  - Differencialʹnye uravneniâ
PY  - 1970
SP  - 1318
EP  - 1319
VL  - 6
IS  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1970_6_7_a22/
LA  - ru
ID  - DE_1970_6_7_a22
ER  -