%0 Journal Article %A S. K. Vodopyanov %T Geometric properties of domains and estimates for the norm of an %J Doklady Akademii Nauk %D 1987 %P 791-795 %V 292 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1987_292_4_a4/ %G ru %F DAN_1987_292_4_a4