TY  - BOOK
AU  - Selby, Samuel
AU  - Sweet, Leonard
TI  - SETS, RELATIONS, FUNCTIONS
U1  - 512.817 
PY  - 1969///
CY  - New York
PB  - Mcgraw-Hill
KW  - Set Theory
KW  - Functions
KW  - Flgebra, Abstract
ER  -