Velo, G & Wightman, A.S (eds) <br/><br/>
Invariant wave equations  proceedings of the 'Ettore Majorana' International school of mathematical physics held in Erice, June 27 to July 9, 1977 
Ed by G. Velo & A.S. Wightman 
 - Berlin  Springer  1978 
 - 416 
 - Lecture notes in physics 73 .
<br/><br/><label>ISBN: </label>3540086552 
<br/><br/><label>Dewey Class. No.: </label>14.03  / 22 VELO