TY  - BOOK
AU  - Levy, Leon S.
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 471032085
SN  - 2
PY  - 1980///;copyright 198046
CY  - New York
PB  - Wiley
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Set theory.;Functions.;Graph theory.;Algebra.;Computer programming
N1  - Includes index; 5
ER  -