TY  - BOOK
AU  - Skil, A.V. Arkhangel
TI  - Encyclopedia of Mathematical Sciences -Vol- 17: Genrral Topology-I 
SN  - 3540181784
U1  - 514.322 SKI 
PY  - 1990///
CY  - .- New York 
PB  - : Springer 
KW  - General Topology
ER  -