Debnath Lokenath and Mikusinski Piotr  1999 <br/><br/>
Introduction to Hilbert Spaces with Applications 

 - 2nd Edition 
 - USA  Academic Press  1999 
 - Pp 551  Symbols, Graphs, Illustrations  24 cm 
<br/><br/><label>ISBN: </label>9780122084362 
<br/><br/><label>Dewey Class. No.: </label>515 D351