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@article{MAN_1985__272_164032, author = {Mehdi Radjabalipour}, title = {Hyponormal {Operators} and {Dunford's} {Condition} {(B).}}, journal = {Mathematische Annalen}, pages = {567--576}, publisher = {mathdoc}, volume = {272}, year = {1985}, zbl = {0555.47018}, url = {http://geodesic.mathdoc.fr/item/MAN_1985__272_164032/} }
Mehdi Radjabalipour. Hyponormal Operators and Dunford's Condition (B).. Mathematische Annalen, Tome 272 (1985), pp. 567-576. http://geodesic.mathdoc.fr/item/MAN_1985__272_164032/