Schechter, Martin. , <br/><br/>
Operator methods in quantum mechanics 

 - New York:  Dover Publication,  1981. 
 - xx, 324 p. :  22 cm. . 
<br/><br/> Originally published: New York : North Holland, c1981.  
<br/><br/><label>ISBN: </label>9780486425474 
<br/><br/><label>Dewey Class. No.: </label>515.724 SCH