APA

Halmos P. R., . (1957). Introduction to Hilbert space and the theory of spectral multiplicity. New York: Chelsea Pub. Co.

Chicago

Halmos Paul R, . 1957. Introduction to Hilbert space and the theory of spectral multiplicity. New York: Chelsea Pub. Co.

Harvard

Halmos P. R., . (1957). Introduction to Hilbert space and the theory of spectral multiplicity. New York: Chelsea Pub. Co.

MLA

Halmos Paul R, . Introduction to Hilbert space and the theory of spectral multiplicity. New York: Chelsea Pub. Co. 1957.