@article{CM_1989__71_3_265_0,
     author = {Takeuchi, Kiyohiko},
     title = {Some birational maps of {Fano} $3$-folds},
     journal = {Compositio Mathematica},
     pages = {265--283},
     publisher = {Kluwer Academic Publishers},
     volume = {71},
     number = {3},
     year = {1989},
     mrnumber = {1022045},
     zbl = {0712.14025},
     language = {en},
     url = {http://www.numdam.org/item/CM_1989__71_3_265_0/}
}