@article{MAN_1894__44_157706,
     author = {G. Castelnuovo},
     title = {Sulla razionalit\`a delle involuzioni piane.},
     journal = {Mathematische Annalen},
     pages = {125--155},
     publisher = {mathdoc},
     volume = {44},
     year = {1894},
     zbl = {25.0970.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1894__44_157706/}
}