Halmos, P. R. (1972). Introduction to Hilbert space and the theory of spectral multiplicity (2. ed., reprinted.). Chelsea.
Chicago Style (17th ed.) CitationHalmos, Paul R. Introduction to Hilbert Space and the Theory of Spectral Multiplicity. 2. ed., reprinted. New York, N.Y: Chelsea, 1972.
MLA (9th ed.) CitationHalmos, Paul R. Introduction to Hilbert Space and the Theory of Spectral Multiplicity. 2. ed., reprinted. Chelsea, 1972.
Warning: These citations may not always be 100% accurate.