Great expectations : the theory of optimal stopping / [by] Y. S. Chow, Herbert Robbins [and] David Siegmund. Chow, Yuan Shih, 1924- Robbins, Herbert, joint author. Siegmund, David, 1941- joint author. Optimal stopping (Mathematical statistics) QA279.7 .C47 519.1 CHG Includes Index. Bibliography: p. 133-138. Boston : Houghton Mifflin, c1971. c1971. 1971 Text xii, 139 p. eng