Ferrara, S., Gatto, R., & Grillo, A. F. (1973). Conformal algebra in space-time and operator product expansion. Springer-Verlag.
Chicago Edition CitationFerrara, S., R. Gatto, and A. F. Grillo. Conformal Algebra in Space-time and Operator Product Expansion. New York: Springer-Verlag, 1973.
MLA Edition CitationFerrara, S., et al. Conformal Algebra in Space-time and Operator Product Expansion. Springer-Verlag, 1973.
Warning: These citations may not always be 100% accurate.