TY  - JOUR
AU  - Gilbert Baumslag
AU  - Urs Stammbach
TI  - A Non-free Parafree Group All of Whose Countable Subgroups are Free.
JO  - Mathematische Zeitschrift
PY  - 1976
SP  - 63
EP  - 66
VL  - 148
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1976__148_172350/
ID  - MZ_1976__148_172350
ER  -