%0 Journal Article %A Tanaka, Yoshio %T Products of $k$-spaces, and questions %J Commentationes Mathematicae Universitatis Carolinae %D 2003 %P 335-345 %V 44 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_2003__44_2_a11/ %G en %F CMUC_2003__44_2_a11