TY  - BOOK
AU  - Brualdi, Richard A. ,
TI  - Introductory combinatorics
SN  - 9788131718827
U1  - 511.6 BRU 
PY  - 2004///
CY  - New Delhi
PB  - Pearson Education
N1  - Includes bibliographical references (p. 621-622) and index. c
ER  -