@article{03712798, title = {A topological property of beta(N).}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {3}, year = {1980}, pages = {713-717}, doi = {10.1155/S0161171280000518}, zbl = {0455.54018}, language = {en}, url = {http://dml.mathdoc.fr/item/03712798} }
Nakassis, Anastase. A topological property of beta(N).. International Journal of Mathematics and Mathematical Sciences, Tome 3 (1980) pp. 713-717. doi : 10.1155/S0161171280000518. http://gdmltest.u-ga.fr/item/03712798/