TY  - BOOK
AU  - Shen, A.
AU  - Vereshchagin, N.K.
TI  - Basic set theory
SN  - 9781470419189
U1  - 511.322 SHE-A 
PY  - 2002///
CY  - India
PB  - Universities Press
KW  - Set theory
N1  - Student Mathematical Library
ER  -