Journal of Operator Theory
Volume 20, Issue 1, Summer 1988 pp. 83-89.
On Beurling type invariant subspaces of L^2(T^2) and their equivalenceAuthors: P. Ghatage (1) and V. Mandrekar (2)
Author institution:(1) Department of Mathematics, Cleveland State University, Cleveland, OH 44114, U.S.A.
(2) Department of Statistics and Probability Michigan State University, East Lansing, MI 48824, U.S.A.
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