@article{ELMA_1946__1_140422, author = {Paul Rossier}, title = {Un probl\`eme de g\'eom\'etrie \'el\'ementaire.}, journal = {Elemente der Mathematik}, pages = {8--11}, publisher = {mathdoc}, volume = {1}, year = {1946}, url = {http://geodesic.mathdoc.fr/item/ELMA_1946__1_140422/} }