TY  - BOOK
AU  - Garey Michael R
AU  - Johnson David S
TI  - Computers and intractability: a guide to the theory of NP-completeness
SN  - 0-7167-1045-5
U1  - 519.4 
PY  - 1999///
CY  - New York
PB  - W.H.Freeman
KW  - Algorithms
KW  - Computational complexity
KW  - Electronic digital computers-programming
ER  -