References
- Statistical Field Theory volumes I and II (Cambridge Monographs on Mathematical Physics) by Claude Itzykson, Jean-Michel Drouffe, Publisher: Cambridge University Press; (March 29, 1991) ISBN 0-521-40806-7 ISBN 0-521-40805-9
- The P(φ)2 Euclidean (quantum) field theory. by Barry Simon. Princeton Univ Press (June 1974) ISBN 0-691-08144-1
- Quantum Physics: A Functional Integral Point of View by James Glimm, Jaffe. Springer; 2nd edition (May 1987) ISBN 0-387-96477-0
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