TY  - JOUR
AU  - W. Kulpa
TI  - Factorization theorems for extensions of maps
JO  - Colloquium Mathematicum
PY  - 1980
SP  - 69
EP  - 74
VL  - 43
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-43-1-69-74/
DO  - 10.4064/cm-43-1-69-74
LA  - en
ID  - 10_4064_cm_43_1_69_74
ER  -