Ruhl, Werner. <br/><br/>
The Lorentz group and harmonic analysis / 
W. Ruhl 
 - New York :  W. A. Benjamin,  1970. 
 - 299 p. ;  24 cm. 
<br/><br/>Bibliography : p. 293-295. 
<br/><br/><label>ISBN: </label>8053836210 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lorentz groups.<br/>Harmonic analysis.<br/>Symmetry (Physics).