TY  - BOOK
AU  - Selby,Samuel
TI  - Sets, relations and functions
U1  - 517.521 SEL S  
PY  - 1963///.
CY  - New York : 
PB  - Mc Graw-Hill Book Company, 
KW  - Set theory
KW  - The vocabulary and symbolism of sets
KW  - Sets relations functions
N1  - Includes index.
ER  -