Papadimitriou, Christos H. Combinatorial optimzation : algrithms and complexity / Christos H. Papadimitriou and Kenneth Stiglitz. - 1st ed. - New Delhi : Prentice-Hall, 2001 - xvi, 496 p. : ill. ; 22 cm. Includes bibliographies references and index. ISBN: 8120311396 Subjects--Topical Terms: Probabilities Dewey Class. No.: 519 / PAC