@article{1103043793, author = {Fort, M. K.}, title = {A geometric problem of Sherman Stein.}, journal = {Pacific J. Math.}, volume = {6}, number = {4}, year = {1956}, pages = { 607-609}, language = {en}, url = {http://dml.mathdoc.fr/item/1103043793} }
Fort, M. K. A geometric problem of Sherman Stein.. Pacific J. Math., Tome 6 (1956) no. 4, pp. 607-609. http://gdmltest.u-ga.fr/item/1103043793/