@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/