TY  - JOUR
AU  - A. V. Kozulin
TI  - A third order differential equation with six singular points
JO  - Differencialʹnye uravneniâ
PY  - 1987
SP  - 1997
EP  - 1998
VL  - 23
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1987_23_11_a19/
LA  - ru
ID  - DE_1987_23_11_a19
ER  -