1. Nelson, E.: Probability theory and Euclidean field theory. In: Constructive quantum field theory (eds. G. Velo, A.S. Wightman). Berlin-Heidelberg-New York: Springer 1973
2. Simon, B.: TheP(φ)2 Euclidean (quantum) field theory. Princeton: Princeton University Press 1974
3. Griffiths, R.: J. Math. Phys.8, 478–489 (1967)
4. Guerra, F., Rosen, L., Simon, B.: Ann. Math.101, 111–259 (1975)
5. Glimm, J., Jaffe, A., Spencer, T.: In: Constructive quantum field theory (eds. G. Velo, A. S. Wightman). Berlin-Heidelberg-New York: Springer 1973