%0 Journal Article %A V. A. Shurygin %T Traceable operators in constructive analysis %J Doklady Akademii Nauk %D 1976 %P 795-798 %V 230 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1976_230_4_a11/ %G ru %F DAN_1976_230_4_a11