@article{1183494884, title = {Notes}, journal = {Bull. Amer. Math. Soc.}, volume = {37}, number = {12}, year = {1931}, pages = { 512-518}, language = {en}, url = {http://dml.mathdoc.fr/item/1183494884} }
(éd.). Notes. Bull. Amer. Math. Soc., Tome 37 (1931) no. 12, pp. 512-518. http://gdmltest.u-ga.fr/item/1183494884/