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@article{JRAM_1984__347_152596, author = {Schoichi Ota}, title = {Commutants of unbounded derivations in {C*-algebras.}}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {21--32}, publisher = {mathdoc}, volume = {347}, year = {1984}, zbl = {0516.46042}, url = {http://geodesic.mathdoc.fr/item/JRAM_1984__347_152596/} }
Schoichi Ota. Commutants of unbounded derivations in C*-algebras.. Journal für die reine und angewandte Mathematik, Tome 347 (1984), pp. 21-32. http://geodesic.mathdoc.fr/item/JRAM_1984__347_152596/