REFERENCES
- Hill , T. P. and Kertz , R. P. 1992 . A Survey of Prophet Inequalities in Optimal Stopping Theory . Contemporary Math. , 125 : 191 – 207 .
- Chow , Y. S. , Robbins , H. and Siegmund , D. 1971 . Great Expectations: The Theory of Optimal Stopping Boston : Houghton Mifflin Company .