Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{CMH_1940__13_138772, author = {H. Hadwiger}, title = {\"Uber {Parallelinvarianten} bei {Eibereichen.}}, journal = {Commentarii mathematici Helvetici}, pages = {252--256}, publisher = {mathdoc}, volume = {13}, year = {1940}, zbl = {67.0700.03}, url = {http://geodesic.mathdoc.fr/item/CMH_1940__13_138772/} }
H. Hadwiger. Über Parallelinvarianten bei Eibereichen.. Commentarii mathematici Helvetici, Tome 13 (1940), pp. 252-256. http://geodesic.mathdoc.fr/item/CMH_1940__13_138772/