@article{1183505927, author = {Day, M. M.}, title = {Cluster points of subsequences}, journal = {Bull. Amer. Math. Soc.}, volume = {50}, number = {12}, year = {1944}, pages = { 398-404}, language = {en}, url = {http://dml.mathdoc.fr/item/1183505927} }
Day, M. M. Cluster points of subsequences. Bull. Amer. Math. Soc., Tome 50 (1944) no. 12, pp. 398-404. http://gdmltest.u-ga.fr/item/1183505927/