Chen Ning Yang,  . <br/><br/>
Elementary Particles /  

 - Reprinted 1963 /  
 - New Jersey :   Princeton University Press ,   1987 
 - p.68 :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics
<br/><br/><label>Dewey Class. No.: </label>C9B2v73  / K2