TY  - BOOK
AU  - Riordan, John
TI  - An introduction to combinatorial analysis
T2  - A wiley publication in mathematical statistics
U1  - 511.6 21st ed.
PY  - 1958///
CY  - New York
PB  - John Welley and Sons
KW  - Combinatorial analysis
N1  - Index: p. 239-44
ER  -