TY  - BOOK
AU  - Anderson,Ian
TI  - Combinatorics of finite sets
SN  - 0198533675
U1  - 511.322 
PY  - 1987///
CY  - New York
PB  - Clarendon Press
KW  - Set theory
KW  - Combinatorial analysis.
Ensembles, Théorie combinatoire des
ER  -