TY  - BOOK
AU  - Hromkovič, Juraj
TI  - Algorithmic for hard problems : introduction to combinatorial optimization, randomization, approximation, and heuristics
SN  - 9783540441342
U1  - 005.275 HRO 
PY  - 2003///
CY  - Berlin
PB  - Springer-Verlag
KW  - Computational complexity
ER  -