TY  - JOUR
AU  - È. M. Vaisbord
TI  - On the existence of a~periodic solution and on the global boundedness of solutions of a~system of ordinary third-order differential equations
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1959
SP  - 38
EP  - 49
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1959_4_a5/
LA  - ru
ID  - IVM_1959_4_a5
ER  -