@article{1183513953, title = {Notes}, journal = {Bull. Amer. Math. Soc.}, volume = {55}, number = {12}, year = {1949}, pages = { 725-727}, language = {en}, url = {http://dml.mathdoc.fr/item/1183513953} }
(éd.). Notes. Bull. Amer. Math. Soc., Tome 55 (1949) no. 12, pp. 725-727. http://gdmltest.u-ga.fr/item/1183513953/