TY - JOUR AU - E. N. Domanskii AU - V. P. Fonf TI - Operator bases and the solvability of operator equations of the first kind JO - Doklady Akademii Nauk PY - 1987 SP - 531 EP - 534 VL - 292 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1987_292_3_a3/ LA - ru ID - DAN_1987_292_3_a3 ER -