TY  - JOUR
AU  - L. Yu. Motylev
TI  - An asymptotic method for ordinary differential equations with an
JO  - Doklady Akademii Nauk
PY  - 1989
SP  - 32
EP  - 36
VL  - 304
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1989_304_1_a6/
LA  - ru
ID  - DAN_1989_304_1_a6
ER  -