TY  - BOOK
AU  - HELL, PAVOL.
AU  - NESELRIL, JAROSTAV
TI  - Graphs and Homomorphisms
T2  - Oxford Scholarship Online
SN  - 9780191713644
PY  - 2007///
PB  - Oxford University Press
UR  - http://dx.doi.org/10.1093/acprof:oso/9780198528173.001.0001
ER  -