1. Convergence of Probability Measures;Billingsley,1999
2. Sequential Stochastic Optimization;Cairoli,1996
3. Great Expectations: The Theory of Optimal Stopping;Chow,1971
4. Stopping Times and Directed Processes;Edgar,1992
5. Continuity properties of optimal stopping value;Elton;Proc. Amer. Math. Soc.,1989