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Spectral properties of positive operator-functions. (English. Russian original) Zbl 0511.47012

Sov. Math. 26, No. 9, 13-20 (1982); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 1982, No. 9(244), 12-16 (1982).

MSC:

47A56 Functions whose values are linear operators (operator- and matrix-valued functions, etc., including analytic and meromorphic ones)
47B60 Linear operators on ordered spaces
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