TY - JOUR AU - V. I. Zubov TI - Integrators of differential equations JO - Doklady Akademii Nauk PY - 1991 SP - 802 EP - 805 VL - 318 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1991_318_4_a6/ LA - ru ID - DAN_1991_318_4_a6 ER -