TY  - BOOK
AU  - Lipschutz, Seymour.
AU  - Lipson, Marc Larc.
TI  - Theory and Problems of Discrete Mathematics
SN  - 007463710X
U1  - 511.3 
PY  - 1997///
CY  - New Delhi
PB  - Tata McGraw-Hill Publishing Company Limited
ER  -