@article{10_1090_S0894_0347_1988_0924704_X,
     author = {Mori, Shigefumi},
     title = {Flip theorem and the existence of minimal models for 3-folds},
     journal = {Journal of the American Mathematical Society},
     pages = {117--253},
     year = {1988},
     volume = {01},
     number = {1},
     doi = {10.1090/S0894-0347-1988-0924704-X},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1988-0924704-X/}
}