TY  - GEN
AU  - Du, Ding-Zhu 
AU  - Ko, Ker-I  
AU  - Hu, Xiaodong 
TI  - Design and analysis of approximation algorithms
SN  - 9781461417002
PY  - 2012///
CY  - New York
PB  - Springer Science
KW  - Approximation algorithms
KW  - NP - Completeness
KW  - Linear programming
KW  - Mathematical optimization
KW  - Mathematics
KW  - Computer software
ER  -