TY - JOUR AU - A. M. Nakhushev TI - Continuous differential equations and their difference analogues JO - Doklady Akademii Nauk PY - 1988 SP - 796 EP - 799 VL - 300 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1988_300_4_a5/ LA - ru ID - DAN_1988_300_4_a5 ER -