Velo, G. (1978). Invariant wave equations: Proceedings of the "Ettore Majorana" International School of Mathematical Physics held in Erice, June 27 to July 9, 1977. Springer.
Chicago Style (17th ed.) CitationVelo, Giorgio. Invariant Wave Equations: Proceedings of the "Ettore Majorana" International School of Mathematical Physics Held in Erice, June 27 to July 9, 1977. Berlin [u.a.]: Springer, 1978.
MLA (9th ed.) CitationVelo, Giorgio. Invariant Wave Equations: Proceedings of the "Ettore Majorana" International School of Mathematical Physics Held in Erice, June 27 to July 9, 1977. Springer, 1978.
Warning: These citations may not always be 100% accurate.