TY - JOUR AU - Yoshikazu Katayama TI - Takesaki's duality for a non-degenerate co-action. JO - Mathematica Scandinavica PY - 1984 SP - 141 EP - 151 VL - 55 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MS2_1984__55_166910/ ID - MS2_1984__55_166910 ER -