@article{IM_1986__86_143387,
     author = {L. Ein},
     title = {Varieties with small dual varieties, {I.}},
     journal = {Inventiones mathematicae},
     pages = {63--74},
     publisher = {mathdoc},
     volume = {86},
     year = {1986},
     zbl = {0603.14025},
     url = {http://geodesic.mathdoc.fr/item/IM_1986__86_143387/}
}