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@article{CM_1994__91_1_91_0, author = {Alexeev, Valery}, title = {General elephants of $\mathbb {Q}${-Fano} 3-folds}, journal = {Compositio Mathematica}, pages = {91--116}, publisher = {Kluwer Academic Publishers}, volume = {91}, number = {1}, year = {1994}, mrnumber = {1273928}, zbl = {0813.14028}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CM_1994__91_1_91_0/} }
Alexeev, Valery. General elephants of $\mathbb {Q}$-Fano 3-folds. Compositio Mathematica, Tome 91 (1994) no. 1, pp. 91-116. http://geodesic.mathdoc.fr/item/CM_1994__91_1_91_0/