Jansen, Laurens. <br/><br/>
Theory of finite groups. applications in physics  symmetry groups of quantum mechanical systems 
by Laurens Jansen,Michael Boon 
 - Amste rdam  North-Holland Publishing Company  1967 
 - xi, 367p. 
<br/><br/><label>LCCN: </label>67-21970 
<br/><br/><label>Dewey Class. No.: </label>512.2  / N67