TY  - BOOK
AU  - Sarkar, Swapan Kumar  .
TI  - Textbook of discrete mathematics / 
SN  - 81-219-2232-1
U1  - B 
PY  - 2004///
CY  - New Delhi : 
PB  - S.Chand & Co. Ltd., , 
KW  - Mathematics
ER  -