@article{1103858404, author = {Woronowicz, S. L.}, title = {On the purification of factor states}, journal = {Comm. Math. Phys.}, volume = {24}, number = {2}, year = {1972}, pages = { 221-235}, language = {en}, url = {http://dml.mathdoc.fr/item/1103858404} }
Woronowicz, S. L. On the purification of factor states. Comm. Math. Phys., Tome 24 (1972) no. 2, pp. 221-235. http://gdmltest.u-ga.fr/item/1103858404/