@article{GDZPPN002358212, title = {Takesaki's duality for a non-degenerate co-action.}, journal = {Mathematica Scandinavica}, volume = {55}, year = {1984}, pages = {141-151}, zbl = {0598.46042}, url = {http://dml.mathdoc.fr/item/GDZPPN002358212} }
Katayama, Yoshikazu. Takesaki's duality for a non-degenerate co-action.. Mathematica Scandinavica, Tome 55 (1984) pp. 141-151. http://gdmltest.u-ga.fr/item/GDZPPN002358212/