@article{IVM_2022_4_a3,
     author = {E. Mukhamadiev and A. N. Naimov},
     title = {On a priori estimate and the existence of periodic solutions for a class of systems of nonlinear ordinary differential equations},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {37--48},
     publisher = {mathdoc},
     number = {4},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2022_4_a3/}
}