TY  - BOOK
AU  - Bona, Miklos
TI  - Introduction to enumerative combinatorics
T2  - Walter rudin student series in advanced mathematics
SN  - 70616116
CY  - New Delhi
KW  - Combinatorics -- enumerative
KW  - Extremal combinatorics
KW  - Mathematics
N1  - Includes bibliographical references and index
ER  -