TY  - BOOK
AU  - Brualdi, Richard A.
TI  - Introductory combinatorics
SN  - 9780134689616
U1  - 511.6 5th ed.
PY  - 2018///
CY  - New York : 
PB  - Pearson
KW  - Combinatorial analysis
KW  - Mathematics
KW  - Combinatorial analysis -- Textbooks
ER  -