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Bhat, B. V. Rajarama, George A. Elliott, Peter A. Fillmore, B. V. Rajarama Bhat, and George A. Elliott. Lectures On Operator Theory. Providence, RI.: American Mathematical Society, 1999.

Bhat, B. V. Rajarama, et al. Lectures On Operator Theory. Providence, RI.: American Mathematical Society, 1999.