@article{CMUC_2012__53_4_a11,
     author = {Tuyen, Luong Quoc},
     title = {Remarks on sequence-covering maps},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {645--650},
     publisher = {mathdoc},
     volume = {53},
     number = {4},
     year = {2012},
     mrnumber = {3016433},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2012__53_4_a11/}
}