Paerl, E. R. <br/><br/>
Representations of the lorentz group and projective geometry  / 

 - Amsterdam:  Mathematisch Centrum,  1975 
 - vi, 214p. Index. Ref. 
 - Mathematical centre tracts ; vol. 25 .
<br/><br/><label>Dewey Class. No.: </label>516  / P126.RL