1. N. N. Bogolyubov, A. A. Logunov, and I. T. Todorov, Fundamentals of the Axiomatic Approach in Quantum Field Theory [in Russian], Nauka (1969).
2. R. Jost, The General Theory of Quantized Fields, AMS, Providence, RI. (1965).
3. M. V. Fedoryuk, Usp. Mat. Nauk,26, 67 (1971).
4. N. Sternberg, Lectures on Differential Geometry, [Russian translation], IL (1970).
5. N. E. Steenrod, The Topology of Fibre Bundles [Russian translation], IL (1970).