TY  - BOOK
AU  - Niven,Ivan
TI  - Mathematics of choice or how to count without counting
T2  - New mathematical library
SN  - 0883856158
AV  - QA164 N58
PY  - 1965///
CY  - Washington, D.C.
PB  - Mathematical association of america
KW  - Análisis combinatorio
ER  -