%0 Journal Article %A Hoshina, Takao %A Sokei, Ryoken %T Relative normality and product spaces %J Commentationes Mathematicae Universitatis Carolinae %D 2003 %P 515-524 %V 44 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_2003__44_3_a9/ %G en %F CMUC_2003__44_3_a9