TY  - JOUR
AU  - V. I. Rozhkov
TI  - Periodic solutions of linear systems with a small parameter in the derivative
JO  - Doklady Akademii Nauk
PY  - 1975
SP  - 1268
EP  - 1271
VL  - 224
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1975_224_6_a7/
LA  - ru
ID  - DAN_1975_224_6_a7
ER  -