%0 Journal Article %A Bedford, Eric %A Klingenberg, Wilhelm %T On the envelope of holomorphy of a 2-sphere in 𝐶² %J Journal of the American Mathematical Society %D 1991 %P 623-646 %V 04 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1991-1094437-0/ %R 10.1090/S0894-0347-1991-1094437-0 %F 10_1090_S0894_0347_1991_1094437_0