%0 Journal Article %A Koliha, Jaromír J. %T The product of relatively regular operators %J Commentationes Mathematicae Universitatis Carolinae %D 1975 %P 531-539 %V 16 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1975__16_3_a9/ %G en %F CMUC_1975__16_3_a9