Griffel, D. H, <br/><br/>
Applied functional analysis 

 - New York:  Dover Publication,  2002. 
 - 390p:  ill.;  23 cm. 
<br/><br/> Dover ed 
<br/><br/><label>ISBN: </label>9780486422589 
<br/><br/><label>Dewey Class. No.: </label>515.7 GRI