TY  - JOUR
AU  - P. Doyle
TI  - A topological collapse number for all spaces
JO  - Fundamenta Mathematicae
PY  - 1975
SP  - 261
EP  - 263
VL  - 89
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-89-3-261-263/
DO  - 10.4064/fm-89-3-261-263
LA  - en
ID  - 10_4064_fm_89_3_261_263
ER  -