%0 Journal Article %A I. S. Gorshkov %A V. P. Perov %T Adaptive estimation in the orthogonal basis %J Doklady Akademii Nauk %D 1980 %P 53-56 %V 253 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_253_1_a11/ %G ru %F DAN_1980_253_1_a11