TY  - JOUR
AU  - Porter, Jack
AU  - Tikoo, Mohan
TI  - On Katětov Spaces
JO  - Canadian mathematical bulletin
PY  - 1989
SP  - 425
EP  - 433
VL  - 32
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1989-061-0/
DO  - 10.4153/CMB-1989-061-0
ID  - 10_4153_CMB_1989_061_0
ER  -