@article{1183495160, author = {Bell, E. T.}, title = {Quadratic partitions---I}, journal = {Bull. Amer. Math. Soc.}, volume = {37}, number = {12}, year = {1931}, pages = { 870-875}, language = {en}, url = {http://dml.mathdoc.fr/item/1183495160} }
Bell, E. T. Quadratic partitions—I. Bull. Amer. Math. Soc., Tome 37 (1931) no. 12, pp. 870-875. http://gdmltest.u-ga.fr/item/1183495160/