@article{1103858778,
author = {Woronowicz, S. L.},
title = {On the purification map},
journal = {Comm. Math. Phys.},
volume = {29},
number = {1},
year = {1973},
pages = { 55-67},
language = {en},
url = {http://dml.mathdoc.fr/item/1103858778}
}
Woronowicz, S. L. On the purification map. Comm. Math. Phys., Tome 29 (1973) no. 1, pp. 55-67. http://gdmltest.u-ga.fr/item/1103858778/