TY - JOUR AU - Kollár, János AU - Mori, Shigefumi TI - Classification of three-dimensional flips JO - Journal of the American Mathematical Society PY - 1992 SP - 533 EP - 703 VL - 05 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1992-1149195-9/ DO - 10.1090/S0894-0347-1992-1149195-9 ID - 10_1090_S0894_0347_1992_1149195_9 ER -