TY  - JOUR
AU  - K.D. jr. Magill
TI  - More on topological N-groups.
JO  - Semigroup forum
PY  - 1994
SP  - 258
EP  - 262
VL  - 48
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1994__48_3_135317/
ID  - SF_1994__48_3_135317
ER  -