TY  - BOOK
AU  - Halmos,Paul R.
TI  - Naive set theory
T2  - Undergraduate texts in mathematics
SN  - 0387900926
PY  - 1974///]
CY  - New York
PB  - Van Nostrand Reinhold
KW  - Arithmetic
KW  - Foundations
KW  - Set theory
ER  -