Debnath, Lokenath. <br/><br/>
Hilbert spaces with applications / 
Cover title :  Introduction to Hilbert spaces with applications. 
Lokenath Debnath, Piotr Mikusinski. 
 - 3rd. ed. 
 - Burligton, MA :  Elsevier Academic,  2005. 
 - xviii, 580 p. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 565-569) and index. 
<br/><br/><label>ISBN: </label>0122084381 (acid-free paper)  RM332.82 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hilbert space.