@article{10_4064_sm_112_1_75_82,
     author = {J. Janas},
     title = {On unbounded hyponormal operators {III}},
     journal = {Studia Mathematica},
     pages = {75--82},
     publisher = {mathdoc},
     volume = {112},
     number = {1},
     year = {1994},
     doi = {10.4064/sm-112-1-75-82},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-112-1-75-82/}
}