%0 Journal Article %A I. A. Cheltsov %T Anticanonical models of three-dimensional Fano varieties of degree~4 %J Sbornik. Mathematics %D 2003 %P 617-640 %V 194 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2003_194_4_a7/ %G en %F SM_2003_194_4_a7