Existence of a spectrum for nonlinear transformations.
J. W. Neuberger
Source: Pacific J. Math. Volume 31, Number 1 (1969), 157-159.
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Primary Subjects: 47.80
Links and Identifiers
 K. Yosida, Functional analysis, Academic Press, New York, 1965. Keceived December 12, 1968. The author is an Alfred P. Sloan ResearchFellow.