Invariant wave equations : proceedings of the "Ettore Majorana" International School of Mathematical Physics held in Erice, June 27 to July 9, 1977 /
edited by Giorgio Velo and Arthur S. Wightman.
- Berlin : Springer-Verlag, 1978.
- 416 p. ; 25 cm.
- Lecture notes in physics ; v. 73 .