Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{CMH_1930__2_138527, author = {F. Gonseth}, title = {Sur la g\'eom\'etrie des imaginaires {II.}}, journal = {Commentarii mathematici Helvetici}, pages = {1--7}, publisher = {mathdoc}, volume = {2}, year = {1930}, zbl = {56.1160.02}, url = {http://geodesic.mathdoc.fr/item/CMH_1930__2_138527/} }
F. Gonseth. Sur la géométrie des imaginaires II.. Commentarii mathematici Helvetici, Tome 2 (1930), pp. 1-7. http://geodesic.mathdoc.fr/item/CMH_1930__2_138527/