Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{ELMA_1978__33_141220, author = {F. Streit}, title = {On a statistical approach to {Bertrand's} problem.}, journal = {Elemente der Mathematik}, pages = {134--137}, publisher = {mathdoc}, volume = {33}, year = {1978}, zbl = {0395.62020}, url = {http://geodesic.mathdoc.fr/item/ELMA_1978__33_141220/} }
F. Streit. On a statistical approach to Bertrand's problem.. Elemente der Mathematik, Tome 33 (1978), pp. 134-137. http://geodesic.mathdoc.fr/item/ELMA_1978__33_141220/