TY  - JOUR
AU  - A. K. Orlov
TI  - Periodic solutions of singularly perturbed systems of differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1983
SP  - 2176
EP  - 2177
VL  - 19
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1983_19_12_a21/
LA  - ru
ID  - DE_1983_19_12_a21
ER  -