TY  - JOUR
AU  - R. B. Sher
TI  - Products and sums of absolute proper retracts, II
JO  - Colloquium Mathematicum
PY  - 1978
SP  - 223
EP  - 225
VL  - 40
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-40-2-223-225/
DO  - 10.4064/cm-40-2-223-225
LA  - en
ID  - 10_4064_cm_40_2_223_225
ER  -