@article{GDZPPN002321092,
title = {Closed Derivations in C*-Algebras.},
journal = {Mathematische Annalen},
volume = {255},
year = {1981},
pages = {239-250},
zbl = {0449.46053},
url = {http://dml.mathdoc.fr/item/GDZPPN002321092}
}
Ôta, Schôichi. Closed Derivations in C*-Algebras.. Mathematische Annalen, Tome 255 (1981) pp. 239-250. http://gdmltest.u-ga.fr/item/GDZPPN002321092/