@article{1183486353, author = {Jackson, Dunham}, title = {The geometry of frequency functions}, journal = {Bull. Amer. Math. Soc.}, volume = {31}, number = {9-10}, year = {1925}, pages = { 63-73}, language = {en}, url = {http://dml.mathdoc.fr/item/1183486353} }
Jackson, Dunham. The geometry of frequency functions. Bull. Amer. Math. Soc., Tome 31 (1925) no. 9-10, pp. 63-73. http://gdmltest.u-ga.fr/item/1183486353/