TY  - BOOK
AU  - Symour Lipschutz , Mare Lors Lipson
AU  - Symour Lipschutz , Mare Lors Lipson
TI  - Discrete Mathematics  
SN  - 007-112690-2
PY  - 1992///
CY  - New York
PB  - Mc Graw Hill
KW  - Mathematics
ER  -