@article{700680,
title = {Derivations of quotients of von Neumann algebras},
booktitle = {General topology and its relations to modern analysis and algebra IV},
series = {GDML\_Books},
publisher = {Society of Czechoslovak Mathematicians and Physicist},
address = {Praha},
year = {1977},
pages = {[393]-[393]},
zbl = {0368.46055},
url = {http://dml.mathdoc.fr/item/700680}
}
Ringrose, J. R. Derivations of quotients of von Neumann algebras, dans General topology and its relations to modern analysis and algebra IV, GDML_Books, (1977), p. [393]. http://gdmltest.u-ga.fr/item/700680/