%0 Journal Article %A V. K. Beloshapka %A V. V. Ezhov %A G. Schmalz %T Holomorphic classification of four-dimensional surfaces inĀ $\mathbb C^3$ %J Izvestiya. Mathematics %D 2008 %P 413-427 %V 72 %N 3 %U http://geodesic.mathdoc.fr/item/IM2_2008_72_3_a0/ %G en %F IM2_2008_72_3_a0