TY  - JOUR
AU  - Dikranjan, Dikran N.
AU  - Giuli, Eraldo
TI  - Ordinal invariants and epimorphisms in some categories of weak Hausdorff spaces
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1986
SP  - 395
EP  - 417
VL  - 27
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1986__27_2_a16/
LA  - en
ID  - CMUC_1986__27_2_a16
ER  -