@article{GDZPPN002090600,
title = {On a Problem of Fox.},
journal = {Inventiones mathematicae},
volume = {20},
year = {1973},
pages = {139-142},
zbl = {0272.20017},
url = {http://dml.mathdoc.fr/item/GDZPPN002090600}
}
Hurley, T.C. On a Problem of Fox.. Inventiones mathematicae, Tome 20 (1973) pp. 139-142. http://gdmltest.u-ga.fr/item/GDZPPN002090600/