TY  - BOOK
AU  - Wagner,Carl
TI  - A first course in enumerative combinatorics
T2  - Pure and applied undergraduate texts
SN  - 9781470459956
AV  - QA164.8 W34
U1  - 511/.62 23
PY  - 2020///]
CY  - Providence, Rhode Island
PB  - American Mathematical Society
KW  - Problemas combinatorios de enumeración
ER  -