TY  - BOOK
AU  - Du Ding-Zhu
AU  - Pardalos Panos M
TI  - Handbook of combinatorial optimization
SN  - 0-7923-5019-7
U1  - 519.3 
PY  - 1999///
CY  - Dordrecht
PB  - Kluwer Academic
KW  - Combinatorial optimization
ER  -