@article{GDZPPN00205311X, title = {Les r\'eseaux Riemanniens.}, journal = {Commentarii mathematici Helvetici}, volume = {13}, year = {1940}, pages = {54-66}, url = {http://dml.mathdoc.fr/item/GDZPPN00205311X} }
Blanc, Charles. Les réseaux Riemanniens.. Commentarii mathematici Helvetici, Tome 13 (1940) pp. 54-66. http://gdmltest.u-ga.fr/item/GDZPPN00205311X/