Ruhl, Werner, <br/><br/>
The Lorentz group and harmonic analysis 
[by] W. Rühl. 
 - New York,  W. A. Benjamin,  1970. 
 - 299 p.  24 cm. 
 - The Mathematical physics monograph series .
<br/><br/><label>Subjects--Index Terms: </label>Lorentz groups  Harmonic analysis  Symmetry (Physics) 
<br/><br/><label>Dewey Class. No.: </label>539.7/21/0151286  / RUH