@article{CMUC_2003_44_3_a9,
     author = {Hoshina, Takao and Sokei, Ryoken},
     title = {Relative normality and product spaces},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {515--524},
     year = {2003},
     volume = {44},
     number = {3},
     mrnumber = {2025817},
     zbl = {1097.54013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2003_44_3_a9/}
}