Horvath, Z. e., Palla, L. e., & Patkos, A. e. (1987). Nonperturbative methods in quantum field theory: Proceedings of the workshop and conference. World Scientific.

Horvath, Z ed, L ed Palla, and A ed Patkos. Nonperturbative Methods in Quantum Field Theory: Proceedings of the Workshop and Conference. Singapore: World Scientific, 1987.

Horvath, Z ed, et al. Nonperturbative Methods in Quantum Field Theory: Proceedings of the Workshop and Conference. World Scientific, 1987.