TY  - BOOK
AU  - Lipschutz, Seymour and Lipson, Marc Lars
TI  - 2000 soleved prolems in Discrete mathematics
SN  - 0070380317
U1  - 511.1 
PY  - 1992///
CY  - London
PB  - ; Mcgraw-Hill
KW  - Discrete Mathematics
KW  - Mathematics
ER  -