%0 Journal Article %A Tadeusz Pytlik %T A construction of convolution operators on free groups %J Studia Mathematica %D 1984 %P 73-76 %V 79 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4064/sm-79-1-73-76/ %R 10.4064/sm-79-1-73-76 %G en %F 10_4064_sm_79_1_73_76