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

 - New York  Dover  1981 
 - xiv,324p. 
<br/><br/><label>ISBN: </label>0486425479 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Operator theory
<br/><br/><label>Dewey Class. No.: </label>515.724  / S18O