%0 Journal Article %A Nagy, Attila %A Tóth, Csaba %T On the probability that two elements of a finite semigroup have the same right matrix %J Commentationes Mathematicae Universitatis Carolinae %D 2022 %P 21-31 %V 63 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14712/1213-7243.2022.008/ %R 10.14712/1213-7243.2022.008 %G en %F 10_14712_1213_7243_2022_008