%0 Journal Article %A N. V. Shcherbina %T On the polynomial hull of a two-dimensional sphere in $\mathbf{C}^2$ %J Doklady Akademii Nauk %D 1991 %P 1315-1319 %V 317 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_317_6_a6/ %G ru %F DAN_1991_317_6_a6