TY  - BOOK
AU  - Alexandroff,Paul
AU  - Hilbert,David
AU  - Farley,Alan E.
TI  - Elementary concepts of topology / 
SN  - 048660747X
AV  - QA611.17  A44 1961 
PY  - 1961///
CY  - New york : 
PB  - Dover Publications, 
KW  - Lemb
KW  - Topologia
N1  - Incluye índice
ER  -