TY  - JOUR
AU  - L. É. Reiziņš
TI  - A homeomorphism of a system of differential equations in neighbourhoods of closed trajectories
JO  - Doklady Akademii Nauk
PY  - 1964
SP  - 1280
EP  - 1282
VL  - 154
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1964_154_6_a9/
LA  - ru
ID  - DAN_1964_154_6_a9
ER  -