@article{CMH_1940__13_138759,
     author = {Charles Blanc},
     title = {Les r\'eseaux {Riemanniens.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {54--66},
     publisher = {mathdoc},
     volume = {13},
     year = {1940},
     url = {http://geodesic.mathdoc.fr/item/CMH_1940__13_138759/}
}