TY  - GEN
AU  - Lovasz, L.
AU  - J.Pelikan and K.Vesztergombi
TI  - Discreet mathematics: elementary and beyond
SN  - 9780387955858
PY  - 2003///
CY  - London
PB  - Springer
KW  - mathematics
KW  - computer science
ER  -