TY - JOUR AU - D. M. Grobman TI - Topological and asymptotic equivalence of systems of differential equations JO - Doklady Akademii Nauk PY - 1961 SP - 746 EP - 747 VL - 140 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1961_140_4_a1/ LA - ru ID - DAN_1961_140_4_a1 ER -