TY  - BOOK
AU  - Roman,Steven
TI  - An introduction to discrete mathematics
SN  - 0155417304
U1  - 511.1 
PY  - 1989///
CY  - New York
PB  - Harcourt Brace Jovanovich
KW  - Mathematics
KW  - Computer science--Mathematics
N1  - Includes index
ER  -