@article{05696752, title = {Central extension of mappings on von Neumann algebras.}, journal = {General Mathematics}, volume = {17}, year = {2009}, pages = {3-12}, zbl = {1199.46155}, language = {en}, url = {http://dml.mathdoc.fr/item/05696752} }
Mirzavaziri, M.; Moslehian, M.S. Central extension of mappings on von Neumann algebras.. General Mathematics, Tome 17 (2009) pp. 3-12. http://gdmltest.u-ga.fr/item/05696752/