@article{MZ_1984__187_173503,
     author = {Augusto Nobile},
     title = {Families of {Curves} on {Surfaces.}},
     journal = {Mathematische Zeitschrift},
     pages = {453--470},
     publisher = {mathdoc},
     volume = {187},
     year = {1984},
     zbl = {0527.14005},
     url = {http://geodesic.mathdoc.fr/item/MZ_1984__187_173503/}
}