%0 Journal Article %A A. N. Naimov %A M. V. Bystretskii %T Investigation of periodic solutions of a system of ordinary differential equations with quasi-homogeneous non-linearity %J Vestnik rossijskih universitetov. Matematika %D 2024 %P 309-324 %V 29 %N 147 %I mathdoc %U http://geodesic.mathdoc.fr/item/VTAMU_2024_29_147_a5/ %G ru %F VTAMU_2024_29_147_a5