%0 Journal Article %A Marek, Ivo %T On some spectral properties of Radon-Nicolski operations and their generalizations %J Commentationes Mathematicae Universitatis Carolinae %D 1962 %P 20-30 %V 03 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1962__3_1_a4/ %G en %F CMUC_1962__3_1_a4