Fermi, Enrico. <br/><br/>
Notes on Quantum Mechanics /  

 - 1st ed /  
 - Chicago :   University of Chicago Press. 
 - p.378 :  
<br/><br/><label>ISBN: </label>0-226-24361-3 
<br/><br/><label>Dewey Class. No.: </label>EN1 8  / K8F7;17