TY  - JOUR
AU  - A. Gmurczyk
TI  - Approximative retracts and fundamental retracts
JO  - Colloquium Mathematicum
PY  - 1971
SP  - 61
EP  - 63
VL  - 23
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-23-1-61-63/
DO  - 10.4064/cm-23-1-61-63
LA  - en
ID  - 10_4064_cm_23_1_61_63
ER  -