Du, Ding-Zhu Design and analysis of approximation algorithms Ding-Zhu Du, Ker-l Ko and Xiaodong Hu - New York Springer 2012 - xi, 440p.: ill.; 24cm. ISBN: 9781461417002 Subjects--Topical Terms: Algorithms Approximation algorithms. Dewey Class. No.: 005.12 / D18D