%0 Journal Article %A N. V. Shcherbina %T The Levi form for $C^1$-smooth hypersurfaces, and the complex structure on the boundary of domains of holomorphy %J Izvestiya. Mathematics %D 1982 %P 171-188 %V 19 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1982_19_1_a9/ %G en %F IM2_1982_19_1_a9