%0 Journal Article %A M. D. Sterlin %T Inverse extremal problems in constructive function theory %J Doklady Akademii Nauk %D 1976 %P 550-553 %V 229 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1976_229_3_a6/ %G ru %F DAN_1976_229_3_a6