TY - JOUR AU - A. N. Naimov AU - M. V. Bystretskii TI - Investigation of periodic solutions of a system of ordinary differential equations with quasi-homogeneous non-linearity JO - Vestnik rossijskih universitetov. Matematika PY - 2024 SP - 309 EP - 324 VL - 29 IS - 147 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VTAMU_2024_29_147_a5/ LA - ru ID - VTAMU_2024_29_147_a5 ER -