TY  - JOUR
AU  - V. I. Zubov
TI  - Systems of differential equations with two singular points of
JO  - Doklady Akademii Nauk
PY  - 1989
SP  - 1054
EP  - 1055
VL  - 304
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1989_304_5_a5/
LA  - ru
ID  - DAN_1989_304_5_a5
ER  -