Linear operators (Part I-III) 
Dunford, Nelson. 
 - Wiley Classics Library ed. 
 - New York :  Interscience Publishers,  1988 
 - v. ;  24 cm. 
<br/><br/><label>ISBN: </label>0470226056 (v. 1) | 0471608483 (pbk. : v. 1) | 0470226382 (v. 2) | 0471608475 (pbk. : v. 2) | 0471226394 (v. 3) | 0471608467 (pbk. : v. 3)