TY  - DATA
AU  - Lovasz, Laszlo,
TI  - Combinatorial problems and exercises 
T2  - AMS Chelsea Publishing, 
SN  - 9781470431181 (online)
PY  - 2007///
CY  - Providence, R.I.
PB  - AMS Chelsea Pub.
KW  - Combinatorial analysis
N1  - Originally published: 1979.;Includes indexes
UR  - https://doi.org/10.1090/chel/361
ER  -