Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1930__102_159369, author = {St. Cohn-Vossen}, title = {Unstarre geschlossene {Fl\"achen}}, journal = {Mathematische Annalen}, pages = {10--29}, publisher = {mathdoc}, volume = {102}, year = {1930}, zbl = {55.1016.03}, url = {http://geodesic.mathdoc.fr/item/MAN_1930__102_159369/} }
St. Cohn-Vossen. Unstarre geschlossene Flächen. Mathematische Annalen, Tome 102 (1930), pp. 10-29. http://geodesic.mathdoc.fr/item/MAN_1930__102_159369/