TY  - JOUR
TI  - On Hall's Third Definition of Group.
JO  - Elemente der Mathematik
PY  - 1969
SP  - 115
EP  - 115
VL  - 24
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ELMA_1969__24_140943/
ID  - ELMA_1969__24_140943
ER  -