HALMOS, Paul R. <br/><br/>
A HILBERT SPACE PROBLEM BOOK 

 - 1st Ed. 
 - New Delhi  Narosa Publishing House, New Delhi   1974 
<br/><br/><label>ISBN: </label>3540780157 
<br/><br/><label>Dewey Class. No.: </label>530.15  / HAL/A