TY  - JOUR
AU  - M. A. Belyaeva
TI  - Approximate solution of a system of ordinary differential equations with small parameter multiplying the derivatives
JO  - Doklady Akademii Nauk
PY  - 1969
SP  - 1167
EP  - 1170
VL  - 189
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1969_189_6_a0/
LA  - ru
ID  - DAN_1969_189_6_a0
ER  -