@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/