@article{1183497876, author = {Martin, M. H.}, title = {A problem in arrangements}, journal = {Bull. Amer. Math. Soc.}, volume = {40}, number = {12}, year = {1934}, pages = { 859-864}, language = {en}, url = {http://dml.mathdoc.fr/item/1183497876} }
Martin, M. H. A problem in arrangements. Bull. Amer. Math. Soc., Tome 40 (1934) no. 12, pp. 859-864. http://gdmltest.u-ga.fr/item/1183497876/