Novozhilov, I. V., & Tulub, A. (1961). The method of functionals in the quantum theory of fields. Gordon and Breach.

Novozhilov, IU. V., and A.V Tulub. The Method of Functionals in the Quantum Theory of Fields. New York: Gordon and Breach, 1961.

Novozhilov, IU. V., and A.V Tulub. The Method of Functionals in the Quantum Theory of Fields. Gordon and Breach, 1961.