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@article{MAN_1981__257_163554, author = {Sch\^oichi \^Ota}, title = {Closed {Derivations} in {C*-Algebras.}}, journal = {Mathematische Annalen}, pages = {239--250}, publisher = {mathdoc}, volume = {257}, year = {1981}, zbl = {0449.46053}, url = {http://geodesic.mathdoc.fr/item/MAN_1981__257_163554/} }
Schôichi Ôta. Closed Derivations in C*-Algebras.. Mathematische Annalen, Tome 257 (1981), pp. 239-250. http://geodesic.mathdoc.fr/item/MAN_1981__257_163554/