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Operator theory of the pseudo-inverse. (English) Zbl 0286.47001

Queen’s Papers in Pure and Applied Mathematics, 38. Kingston, Ontario, Canada: Queen’s University. II, 67 p. (1974).

MSC:

47A10 Spectrum, resolvent
47-02 Research exposition (monographs, survey articles) pertaining to operator theory
47A55 Perturbation theory of linear operators