@article{PIM_2003_N_S_74_88_a12,
     author = {Ying Ge},
     title = {Characterizations of {Sn-metrizable} {Spaces}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {121 },
     publisher = {mathdoc},
     volume = {_N_S_74},
     number = {88},
     year = {2003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PIM_2003_N_S_74_88_a12/}
}