%0 Journal Article
%A R. Boukoucha
%T Limit cycles and phase portrait for a class of differential systems
%J Matematičeskie zametki SVFU
%D 2022
%P 72-81
%V 29
%N 2
%U http://geodesic.mathdoc.fr/item/SVFU_2022_29_2_a5/
%G ru
%F SVFU_2022_29_2_a5