@article{bwmeta1.element.bwnjournal-article-smv65i1p1bwm, author = {Che-Kao Fong}, title = {On M-hyponormal operators}, journal = {Studia Mathematica}, volume = {64}, year = {1979}, pages = {1-5}, zbl = {0441.47037}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-smv65i1p1bwm} }
Fong, Che-Kao. On M-hyponormal operators. Studia Mathematica, Tome 64 (1979) pp. 1-5. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-smv65i1p1bwm/