TY - JOUR AU - V. A. Shurygin TI - Traceable operators in constructive analysis JO - Doklady Akademii Nauk PY - 1976 SP - 795 EP - 798 VL - 230 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1976_230_4_a11/ LA - ru ID - DAN_1976_230_4_a11 ER -