TY - JOUR AU - Ajit Iqbal Singh TI - Involutions on the second duals of group algebras versus subamenable groups JO - Studia Mathematica PY - 2011 SP - 51 EP - 62 VL - 206 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm206-1-4/ DO - 10.4064/sm206-1-4 LA - en ID - 10_4064_sm206_1_4 ER -