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@article{CMUC_1980__21_3_a1, author = {Murphy, Gerald J. and West, T. T.}, title = {Removing the interior of the spectrum}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {421--431}, publisher = {mathdoc}, volume = {21}, number = {3}, year = {1980}, mrnumber = {590123}, zbl = {0462.46035}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1980__21_3_a1/} }
Murphy, Gerald J.; West, T. T. Removing the interior of the spectrum. Commentationes Mathematicae Universitatis Carolinae, Tome 21 (1980) no. 3, pp. 421-431. http://geodesic.mathdoc.fr/item/CMUC_1980__21_3_a1/