1. M. Kac, inProceedings of the 2nd Berkeley Symposium on Mathematical Statistics and Probabilities, edited by J. Neyman (University of California Press, Berkeley, CA, 1951), pp. 185–215.
2. R. P. Feynman and A. R. Hibbs,Quantum Mechanics and Path Integrals(McGraw-Hill, New York, 1965).
3. Variational processes and stochastic versions of mechanics
4. Euclidean quantum mechanics