@article{CMH_1938__11_138720,
     author = {Charles Blanc},
     title = {Les demi-surfaces de {Riemann.} {Application} au probl\`eme du type.},
     journal = {Commentarii mathematici Helvetici},
     pages = {130--150},
     publisher = {mathdoc},
     volume = {11},
     year = {1938},
     zbl = {0019.42106},
     url = {http://geodesic.mathdoc.fr/item/CMH_1938__11_138720/}
}