@article{1178229920, author = {Berberian, S. K.}, title = {Normal derivations in operator algebras}, journal = {Tohoku Math. J. (2)}, volume = {30}, number = {4}, year = {1978}, pages = { 613-621}, language = {en}, url = {http://dml.mathdoc.fr/item/1178229920} }
Berberian, S. K. Normal derivations in operator algebras. Tohoku Math. J. (2), Tome 30 (1978) no. 4, pp. 613-621. http://gdmltest.u-ga.fr/item/1178229920/