Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1926__95_159133, author = {H. Hopf}, title = {Zum {Clifford-KIeinschen} {Raumproblem}}, journal = {Mathematische Annalen}, pages = {313--339}, publisher = {mathdoc}, volume = {95}, year = {1926}, language = {de}, url = {http://geodesic.mathdoc.fr/item/MAN_1926__95_159133/} }
H. Hopf. Zum Clifford-KIeinschen Raumproblem. Mathematische Annalen, Tome 95 (1926), pp. 313-339. http://geodesic.mathdoc.fr/item/MAN_1926__95_159133/