TY  - JOUR
AU  - Robinson, G. de B.
TI  - A Remark by Philip Hall
JO  - Canadian mathematical bulletin
PY  - 1958
SP  - 21
EP  - 23
VL  - 1
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1958-004-1/
DO  - 10.4153/CMB-1958-004-1
ID  - 10_4153_CMB_1958_004_1
ER  -