TY  - JOUR
AU  - E. A. Barbashin
TI  - Conditions for the existence of recurrent trajectories in dynamic systems with a cylindrical phase space
JO  - Differencialʹnye uravneniâ
PY  - 1967
SP  - 1627
EP  - 1633
VL  - 3
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1967_3_10_a0/
LA  - ru
ID  - DE_1967_3_10_a0
ER  -