TY  - JOUR
AU  - Arhangel'skii, A. V.
AU  - Hušek, M.
TI  - Extensions of topological and semitopological groups and the product operation
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 2001
SP  - 173
EP  - 186
VL  - 42
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_2001__42_1_a12/
LA  - en
ID  - CMUC_2001__42_1_a12
ER  -