%0 Journal Article %A Ajit Iqbal Singh %T Involutions on the second duals of group algebras versus subamenable groups %J Studia Mathematica %D 2011 %P 51-62 %V 206 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm206-1-4/ %R 10.4064/sm206-1-4 %G en %F 10_4064_sm206_1_4