References
- Johnson, G.W. and Lapidus, M.L., Generalized Dyson series, generalized Feynman diagram, the Feynman integral and Feynman's operational calculus, Memoirs Amer. Math. Soc. 62, No. 351,1986, 1-78.
- Johnson, G.W. and Lapidus, M.L., Noncommutativ operations on Wiener functionals and Feynman's operational calculus, J. Functional Anal. 81, 1988, 74-99. https://doi.org/10.1016/0022-1236(88)90113-9
- Lapidus, M.L., Quentification, calcul operationnel de Feynman axiomatique et integrale fonctionnelle generalisee, C.R. Acad.Sci. Paris, t. 308, Serie I, p. 133- 138, 1989.
- Johnson, G.W. and Lapidus, M.L., The Feynman Integral and Feynman's operational calculus, OXFORD university Press, 2000.