@article{CMUC_2008__49_1_a15,
     author = {Sakai, Masami},
     title = {Mapping theorems on $\aleph$-spaces},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {163--167},
     publisher = {mathdoc},
     volume = {49},
     number = {1},
     year = {2008},
     mrnumber = {2433634},
     zbl = {1212.54049},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2008__49_1_a15/}
}