TY - JOUR AU - M. A. Gol'dman AU - E. M. Levich TI - On invariant supplementability of certain spaces generated by a linear operator JO - Doklady Akademii Nauk PY - 1966 SP - 267 EP - 270 VL - 166 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1966_166_2_a1/ LA - ru ID - DAN_1966_166_2_a1 ER -