1. G. A. Hunt Markoff processes and potentials, I, Illinois J. Math. 1 (1957), 44–93.
2. E. B. Dynkin Markov Processes, Springer-Verlag, Berlin, Heidelberg, New York, 1965.
3. R. M. Blumenthal and R. K. Getoor Markov Processes and Potential Theory, Academic Press, New York, 1968.
4. Lecture Notes in Mathematics;R. K. Getoor,1975
5. G. A. Hunt Martingales et Processus de Markov, Dunod, Paris, 1966.