TY  - JOUR
AU  - Ian M.S. Dey
TI  - Relations between the free and direct products of groups.
JO  - Mathematische Zeitschrift
PY  - 1962
SP  - 121
EP  - 147
VL  - 80
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1962__80_170090/
ID  - MZ_1962__80_170090
ER  -