TY  - JOUR
AU  - Gupta, Narain
TI  - A Problem of R. H. Fox
JO  - Canadian mathematical bulletin
PY  - 1981
SP  - 129
EP  - 136
VL  - 24
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1981-023-6/
DO  - 10.4153/CMB-1981-023-6
ID  - 10_4153_CMB_1981_023_6
ER  -