TY  - BOOK
AU  - Bollobás, Béla
TI  - Extremal graph theory
SN  - 9780486435961
U1  - 511.5 
PY  - 2004///
CY  - Mineola : 
PB  - Dover Publications, 
KW  - Graph theory
KW  - Extremal problems (Mathematics)
KW  - Electronic books
ER  -