Halmos, Paul R. (Paul Richard), 1916-  Halmos, Paul R. (Paul Richard), 1916- <br/><br/>
Introduction to Hilbert space and the theory of spectral multiplicity. 

 - 2d ed. 
 - New York,  Chelsea Pub. Co.  [c1957] 
<br/><br/>Bibliography: p. 109-114. 
<br/><br/><label>LCCN: </label>57012834 /L/r84 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spectral theory (Mathematics)
<br/><br/><label>LC Class. No.: </label>QA691  / .H34 1957 
<br/><br/><label>Dewey Class. No.: </label>513.8