Halmos, P. R. 1. (1957). Introduction to Hilbert space and the theory of spectral multiplicity (2nd ed.). New York: Chelsea Publishing Company.
Παραπομπή Chicago StyleHalmos, Paul R. 1916-2006. Introduction to Hilbert Space and the Theory of Spectral Multiplicity. 2nd ed. New York: Chelsea Publishing Company, 1957.
Παραπομπή MLAHalmos, Paul R. 1916-2006. Introduction to Hilbert Space and the Theory of Spectral Multiplicity. 2nd ed. New York: Chelsea Publishing Company, 1957.
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