TY  - JOUR
AU  - E. A. Novikov
AU  - L. A. Yumatova
TI  - Some methods for solving ordinary differential equations that are
JO  - Doklady Akademii Nauk
PY  - 1987
SP  - 809
EP  - 812
VL  - 295
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1987_295_4_a8/
LA  - ru
ID  - DAN_1987_295_4_a8
ER  -