TY  - JOUR
AU  - M.B. Szendrei
TI  - Correction and supplement to 
JO  - Semigroup forum
PY  - 1982
SP  - 311
EP  - 324
VL  - 25
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1982__25_134580/
ID  - SF_1982__25_134580
ER  -