TY - JOUR AU - A. I. Zhukov TI - The convergence of a solution of a difference equation to a solution of a differential equation JO - Doklady Akademii Nauk PY - 1957 SP - 174 EP - 176 VL - 117 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1957_117_2_a2/ LA - ru ID - DAN_1957_117_2_a2 ER -