%0 Journal Article %A Paweł Głowacki %A Andrzej Hulanicki %T A semi-group of probability measures with non-smooth differentiable densities on a Lie group %J Colloquium Mathematicum %D 1987 %P 131-139 %V 51 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4064/cm-51-1-131-139/ %R 10.4064/cm-51-1-131-139 %G en %F 10_4064_cm_51_1_131_139