1. P.A.M. Dirac, The Lagrangian in Quantum Mechanics, Phys Zeitschr d. Sovjetunion 3, n° 1, 64 (1933).
2. R.P. Feynman, Space-Time Approach to Nonrelativistic Quantum Mechanics, Rev. Mod. Phys. 20, 367 (1948).
3. K. Ito, Generalized Uniform Measures in the Hilbertian Metric Space with their Application to the Feynman Path Integral, Proc. Fifth Berkley Symposium on Mathematical Statistics and Probability, Univ. California Press, Berkley, Vol. II, part 1, 145 (1967).
4. S. Albeverio, R. Høegh-Krohn, Mathematical Theory of Feynman Path Integrals, Springer-Verlag, Berlin (1976).
5. S. Albeverio, R. Høegh-Krohn, Oscillatory Integrals and the Method of Stationary Phase in Infinitely Many Dimensions, with Applications to the Calssical Limit of Quantum Mechanics 1, Inventiones Mathem. 40, 59 (1977).