%0 Journal Article %A K. A. Shramov %T $\mathbb Q$-factorial quartic threefolds %J Sbornik. Mathematics %D 2007 %P 1165-1174 %V 198 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2007_198_8_a5/ %G en %F SM_2007_198_8_a5