TY  - JOUR
AU  - Borges, Carlos J. R.
TI  - On Extensions of Topologies
JO  - Canadian journal of mathematics
PY  - 1967
SP  - 474
EP  - 487
VL  - 19
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1967-040-9/
DO  - 10.4153/CJM-1967-040-9
ID  - 10_4153_CJM_1967_040_9
ER  -