TY  - BOOK
T1  - Counterexamples in topology
A1  - Steen, Lynn Arthur 1941-
LA  - English
PP  - New York
PB  - Springer-Verlag
YR  - 1978
ED  - 2nd ed.
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217607187848
OP  - 244
CN  - QA 611.3 S74 1978
KW  - Topological spaces.
ER  -