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@article{CMUC_1982__23_3_a4, author = {Murphy, Gerald J.}, title = {Self-dual subnormal operators}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {467--473}, publisher = {mathdoc}, volume = {23}, number = {3}, year = {1982}, mrnumber = {677855}, zbl = {0505.47014}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1982__23_3_a4/} }
Murphy, Gerald J. Self-dual subnormal operators. Commentationes Mathematicae Universitatis Carolinae, Tome 23 (1982) no. 3, pp. 467-473. http://geodesic.mathdoc.fr/item/CMUC_1982__23_3_a4/