1. Mandl, P.,Analytical Treatment of One-Dimensional Markov Processes, Springer-Verlag, New York, New York, 1968.
2. Pliska, S.,Multi-Person Controlled Diffusions, SIAM Journal on Control (to appear).
3. Pliska, S.,Single and Multi-Person Controlled Diffusions, Stanford University, Department of Operations Research, Technical Report No. 23, 1972.
4. Halkin, H.,A Generalization of LaSalle's Bang-bang Principle, SIAM Journal on Control, Vol. 2, No. 2, 1964.
5. Fleming, W. H.,Duality and a Priori Estimates in Markovian Optimization Problems, Journal of Mathematical Analysis and Applications, Vol. 16, No. 2, 1966.