TY  - BOOK
AU  - Hell,Pavol
AU  - Nestril,Jaroslav
TI  - GRAPHS AND HOMOMORPHISMS
SN  - 0 19 852817 5
U1  - 511.5 
PY  - 2004///
CY  - 
PB  - Oxford Univ. Pr., Oxford
KW  - Graph Theory
KW  - Homomorphisms(Mathematics)
ER  -