%0 Journal Article %A Štěpán, Josef %T Some notes on the convolution semigroup of probabilities on a metric group %J Commentationes Mathematicae Universitatis Carolinae %D 1969 %P 613-624 %V 10 %N 4 %U http://geodesic.mathdoc.fr/item/CMUC_1969_10_4_a6/ %G en %F CMUC_1969_10_4_a6