Rolph, John E., A countable policy set for sequential decision problems / John E. Rolph, Ralph E. Strauch. - iii, 10 pages ; 28 cm - The Rand paper series ; P-4789 . - Rand paper series ; P-4789 . Prepared for publication in Annals of statistics. Includes bibliographical references (page 10) ISBN: Hadiah Subjects--Topical Terms: Sequential analysis.Statistical decision.