TY  - BOOK
AU  - Rosen, K. H.
TI  - Discrete mathematics and its applications
SN  - 394367685
U1  - 511 
PY  - 1988///
CY  - New York
PB  - Penguin Books
KW  - Mathematics
KW  - Computer science x Mathematics
N1  - 001728; U 007
ER  -