TY  - JOUR
AU  - Janusz Charatonik
TI  - Two invariants under continuity and the incomparability of fans
JO  - Fundamenta Mathematicae
PY  - 1964
SP  - 187
EP  - 204
VL  - 53
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-53-2-187-204/
DO  - 10.4064/fm-53-2-187-204
LA  - en
ID  - 10_4064_fm_53_2_187_204
ER  -