TY  - BOOK
AU  - Keene,G.B.
TI  - Abstract sets and finite ordinals: an introduction to the study of set theory 
U1  - 511.322 23
PY  - 1961///
CY  - London
PB  - Pergamon Press
KW  - Set theory
KW  - Logic, Symbolic and mathematical
N1  - Originally published: Oxford ; New York : Pergamon Press, 1961; Includes bibliographical references (p. 103) and index
ER  -