@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/}
}