TY - JOUR AU - Kh. Ganiev TI - On algebraic differential equations with knotted trajectories JO - Matematičeskie zametki PY - 1972 SP - 645 EP - 650 VL - 11 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1972_11_6_a4/ LA - ru ID - MZM_1972_11_6_a4 ER -