TY  - JOUR
AU  - R. Korkmaz
TI  - On the closure of B2  ( ...,...).
JO  - Semigroup forum
PY  - 1997
SP  - 166
EP  - 174
VL  - 54
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1997__54_2_135517/
ID  - SF_1997__54_2_135517
ER  -