Du, Ding-Zhu Design and analysis of approximation algorithms / Ding-Zhu Du, Ker-I Ko and Xiaodong Hu - New York USA 2012 - 440 p. ISBN: 9781461417002 Subjects--Topical Terms: Approximation algorithmsMathematical optimizationMathematicsComputer software Dewey Class. No.: 516.00285 DUD-I