%0 Journal Article %A V. V. Shokurov %T Prelimiting Flips %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2003 %P 82-219 %V 240 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2003_240_a5/ %G en %F TM_2003_240_a5