TY  - GEN
AU  - West, Douglas B.
TI  - Combinatorial mathematics 
SN  - 9781107058583
PY  - 2021///
CY  - Cambridge, UK
PB  - Cambridge University Press
KW  - Combinatorial analysis
KW  - Discrete mathematics.
KW  - Computer science
KW  - Mathematics
KW  - Problems, exercises, etc
ER  -