TY  - BOOK
AU  - GUPTA SATINDER BAL  
TI  - DISCRETE MATHEMATICS & STRUCTURES  
T2  - N  
U1  - 004.015 1/GUP   
PY  - 0000///
CY  - DELHI LAXMI, 2009.
PB  - 
N1  - B.TECH
ER  -