TY  - BOOK
AU  - Chen, Jianer
AU  - Fomin, Fedor, V  
TI  - Parameterized and exact computation : 4th International workshop, IWPEC 2009 Copenhagan, Denmark, september 2009 revised selected papers
SN  - 9783642112683
PY  - 2009///
CY  - New york
PB  - Springer
ER  -