SAKURAI, J.J. <br/><br/>
Invariance principles and elementary particles / 
[by] J.J.Sakurai 
 - New Jersey  Princeton University press  1964 
 - 326 p. 
<br/><br/> Includes references and index. 
<br/><br/><label>Dewey Class. No.: </label>539.72  / SAK