TY - JOUR AU - È. M. Muhamadiev TI - Investigations in the theory of bounded and periodic solutions of differential equations JO - Matematičeskie zametki PY - 1981 SP - 443 EP - 460 VL - 30 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1981_30_3_a11/ LA - ru ID - MZM_1981_30_3_a11 ER -