TY  - JOUR
AU  - Ton, Dao-Rong
TI  - Free $\ell $-groups and free products of $\ell $-groups
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1994
SP  - 617
EP  - 625
VL  - 35
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1994__35_4_a2/
LA  - en
ID  - CMUC_1994__35_4_a2
ER  -