%0 Journal Article %A Marek Bożejko %T A new group algebra and lacunary sets in discrete noncommutative groups %J Studia Mathematica %D 1981 %P 165-175 %V 70 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-70-2-165-175/ %R 10.4064/sm-70-2-165-175 %G en %F 10_4064_sm_70_2_165_175