%0 Journal Article %A V. A. Shurygin %T On estimates of the complexity of algorithmic problems in constructive analysis %J Doklady Akademii Nauk %D 1977 %P 1064-1067 %V 233 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1977_233_6_a13/ %G ru %F DAN_1977_233_6_a13