TY - JOUR AU - L. V. Koledov TI - Fractional powers of elliptic operators and approximation-moment scales JO - Doklady Akademii Nauk PY - 1976 SP - 26 EP - 28 VL - 227 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1976_227_1_a4/ LA - ru ID - DAN_1976_227_1_a4 ER -