TY  - JOUR
AU  - Jan Jełowicki
TI  - On extension of the group operation over the Čech-Stone compactification
JO  - Colloquium Mathematicum
PY  - 1993
SP  - 209
EP  - 217
VL  - 66
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-66-2-209-217/
DO  - 10.4064/cm-66-2-209-217
LA  - en
ID  - 10_4064_cm_66_2_209_217
ER  -