TY  - JOUR
AU  - E. Mukhamadiev
AU  - A. N. Naimov
TI  - On a priori estimate and the existence of periodic solutions for a class of systems of nonlinear ordinary differential equations
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 2022
SP  - 37
EP  - 48
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_2022_4_a3/
LA  - ru
ID  - IVM_2022_4_a3
ER  -