De Lange,O.L. <br/><br/>
Operator methods in quantum mechanics / 
De Lange,O.L. 
 - Oxford:  Clarendon Press,  1991. 
 - xi,377p;25cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0198539614 
<br/><br/><label>Dewey Class. No.: </label>530.12 DEL