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@article{MOMA_1974__78_186322, author = {Marvin Marcus and M. Shafqat Ali}, title = {On the {Degree} of the {Minimal} {Polynomial} of the {Lyapunov} {Operator.}}, journal = {Monatshefte f\"ur Mathematik}, pages = {229--236}, publisher = {mathdoc}, volume = {78}, year = {1974}, zbl = {0289.15009}, url = {http://geodesic.mathdoc.fr/item/MOMA_1974__78_186322/} }
Marvin Marcus; M. Shafqat Ali. On the Degree of the Minimal Polynomial of the Lyapunov Operator.. Monatshefte für Mathematik, Tome 78 (1974), pp. 229-236. http://geodesic.mathdoc.fr/item/MOMA_1974__78_186322/