TY  - JOUR
AU  - Miroslav Katětov
TI  - On mapping of countable spaces
JO  - Colloquium Mathematicum
PY  - 1949
SP  - 30
EP  - 33
VL  - 2
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-2-1-30-33/
DO  - 10.4064/cm-2-1-30-33
LA  - en
ID  - 10_4064_cm_2_1_30_33
ER  -