%0 Journal Article
%A B. Zh. Omarova
%A Zh. A. Sartabanov
%T On multiperiodic solutions of perturbed nonlinear autonomous systems with the differentiation operator on a vector field
%J Eurasian mathematical journal
%D 2021
%P 68-81
%V 12
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/EMJ_2021_12_1_a6/
%G en
%F EMJ_2021_12_1_a6