TY - JOUR AU - Ross Stokke TI - Approximate diagonals and Følner conditions for amenable group and semigroup algebras JO - Studia Mathematica PY - 2004 SP - 139 EP - 159 VL - 164 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm164-2-3/ DO - 10.4064/sm164-2-3 LA - fr ID - 10_4064_sm164_2_3 ER -