Kappel, F. <br/><br/>
Research Notes in Mathematics 68 :   Evolution equations and their applications 
/ by F. Kappel 
 - London;  Pitman Books Limited:  1982. 
 - xviii, 313p. 
<br/><br/><label>ISBN: </label>0273085670 
<br/><br/><label>Dewey Class. No.: </label>515.35  / KAP/E