TY  - JOUR
AU  - A. V. Kostin
TI  - The real singular points of the solutions of second order nonlinear differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1970
SP  - 1713
EP  - 1715
VL  - 6
IS  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1970_6_9_a18/
LA  - ru
ID  - DE_1970_6_9_a18
ER  -