Halmos, Paul R.. <br/><br/>
Hilbert Space Problem Book /  
by Paul R Halmos. 
 - 2nd ed /  
 - New Delhi :   Springer (India) Pvt. Ltd. ,   1984 
 - xvii, 365p ;  
<br/><br/><label>ISBN: </label>978-81-8489-832-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hilbert spaces-Problems, exercises
<br/><br/><label>Dewey Class. No.: </label>B313N  / K7H