Papadimitriou, Christos H. . Combination optimization: algorithms and complexity / by Christos H.Papadimitriou and Kenneth Steiglitz. - New Delhi : Prentice-Hall of India Private Limited , 1982 - xv,496p ; ISBN: 81-203-1139-6 Subjects--Topical Terms: Computer Science- Optimization Dewey Class. No.: BV / M2