TY - JOUR AU - E. G. D'yakonov TI - The solution of certain nonlinear systems of difference equations JO - Doklady Akademii Nauk PY - 1969 SP - 982 EP - 985 VL - 188 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1969_188_5_a4/ LA - ru ID - DAN_1969_188_5_a4 ER -