TY  - BOOK
AU  - Potter,Michael D.
TI  - Sets: an introduction 
SN  - 9780198533993:
AV  - QA248 P85 1990
U1  - 511.3/2 20
PY  - 1990///
CY  - Oxford, New York
PB  - Clarendon Press
KW  - Set theory
N1  - Includes bibliographical references (p. [221]-230) and indexes
UR  - http://www.loc.gov/catdir/enhancements/fy0640/90040303-d.html
UR  - http://www.loc.gov/catdir/enhancements/fy0640/90040303-t.html
ER  -