1. Semimartingales and subharmonic functions;Doob, J. L.;Trans. Amer. Math. Soc.,1954
2. Stochastic processes, New York, 1953.
3. Criteria of continuity and of absence of discontinuities of the second kind for trajectories of a Markov random process;Dynkin, E. B.;Izvestiya Akad. Nauk. SSSR. Ser. Mat.,1952
4. Some theorems concerning Brownian motion;Hunt, G. A.;Trans. Amer. Math. Soc.,1956
5. Probability and potentials, to be published.