Nikolski, Nikolai K <br/><br/>
Operators,Functions and Systems  An easy reading, vol-1 
by Nikolai K NiKolski 
 - Rhode Islands  American Mathematical Society  2002 
 - xiv, 461p 
<br/><br/><label>ISBN: </label>0821810839 
<br/><br/><label>Dewey Class. No.: </label>515.724  / P02.1