TY  - BOOK
AU  - Ash, Robert B,
TI  - Real variables with basic metric space topology
SN  - 9780486472201
U1  - 515.8 ASH 
PY  - 2007///
CY  - New York
PB  - Dover Publication
N1  - Dover ed
UR  - http:/​/​www.loc.gov/​catdir/​enhancements/​fy0903/​2009000501-d.html
ER  -