@article{1077474127, author = {Dvoretzky, A. and Motzkin, Th.}, title = {A problem of arrangements}, journal = {Duke Math. J.}, volume = {14}, number = {1}, year = {1947}, pages = { 305-313}, language = {en}, url = {http://dml.mathdoc.fr/item/1077474127} }
Dvoretzky, A.; Motzkin, Th. A problem of arrangements. Duke Math. J., Tome 14 (1947) no. 1, pp. 305-313. http://gdmltest.u-ga.fr/item/1077474127/