TY - JOUR AU - E. G. D'yakonov TI - The use of operators equivalent with respect to spectrum in solving difference analogues of strongly elliptic systems JO - Doklady Akademii Nauk PY - 1965 SP - 1314 EP - 1317 VL - 163 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1965_163_6_a3/ LA - ru ID - DAN_1965_163_6_a3 ER -