TY  - BOOK
AU  - Ronald E. Prather
TI  - Elements of Discrete Mathematics
U1  - 511 PRA-I R 
PY  - 1986///
PB  - Houghton Mifflin Pub. Co.
KW  - Elements of Discrete Mathematics Prather E. Ronald  SET THEORY,  DISCRETE NUMBER SYSTEMS
ER  -