Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{CMH_1937__10_138709, author = {H. Hadwiger and Paul Finsler}, title = {Einige {Relationen} im {Dreieck.}}, journal = {Commentarii mathematici Helvetici}, pages = {316--326}, publisher = {mathdoc}, volume = {10}, year = {1937}, zbl = {64.0631.07}, url = {http://geodesic.mathdoc.fr/item/CMH_1937__10_138709/} }
H. Hadwiger; Paul Finsler. Einige Relationen im Dreieck.. Commentarii mathematici Helvetici, Tome 10 (1937), pp. 316-326. http://geodesic.mathdoc.fr/item/CMH_1937__10_138709/