%0 Journal Article %A S. I. Dudov %T Relations between several problems of estimating convex %J Sbornik. Mathematics %D 2007 %P 39-53 %V 198 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2007_198_1_a2/ %G en %F SM_2007_198_1_a2