TY  - BOOK
AU  - Sierpinski Waclaw
AU  - Sharma A
TI  - Introduction to the theory of sets and topology
U1  - 517.521 
PY  - 1949///
CY  - Allahabad
PB  - Indian Press
KW  - Set theory
KW  - Topology
N1  - Tr from the Russian
ER  -