TY  - BOOK
AU  - Lipschutz, Seymour.
TI  - Theory and Problems of Discrete Mathematics / 
SN  - 0-07-463710-X
U1  - B 
PY  - 2001///
CY  - New Delhi : 
PB  - Tata McGraw-Hill Publishing Co.Ltd. , 
KW  - Mathematics
ER  -