%0 Journal Article %A O. L. Vinogradov %T On constants in abstract inverse theorems of approximation theory %J Algebra i analiz %D 2022 %P 22-46 %V 34 %N 4 %U http://geodesic.mathdoc.fr/item/AA_2022_34_4_a1/ %G ru %F AA_2022_34_4_a1