TY - JOUR AU - A. I. Gerko TI - Asymptotically recurrent solutions to $\beta$-differential equations JO - Matematičeskie zametki PY - 2000 SP - 837 EP - 851 VL - 67 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2000_67_6_a4/ LA - ru ID - MZM_2000_67_6_a4 ER -