@article{10_4153_CJM_1996_021_1,
     author = {Olin, Robert F. and Yang, Liming},
     title = {A {Subnormal} {Operator} and its {Dual}},
     journal = {Canadian journal of mathematics},
     pages = {381--396},
     year = {1996},
     volume = {48},
     number = {2},
     doi = {10.4153/CJM-1996-021-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1996-021-1/}
}