%0 Journal Article %A I. A. Cheltsov %T Double spaces with isolated singularities %J Sbornik. Mathematics %D 2008 %P 291-306 %V 199 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2008_199_2_a6/ %G en %F SM_2008_199_2_a6