TY  - BOOK
AU  - Dingzhu Du Ed.
AU  -  Guoding Hu Ed.
TI  - Combinatorics, computing and complexity
T2  - Mathematics and its applications. Chinese series. Mathematics and its applications
U1  - B217, M9-;1 
PY  - 1989///
CY  - Beijing
PB  - Science Press        
KW  - Combinatorial optimization
ER  -