TY  - JOUR
AU  - Frank Levin
AU  - Benjamin Baumslag
TI  - A Free Product with a Non-Power Amalgamated which is not Residually Free.
JO  - Mathematische Zeitschrift
PY  - 1976
SP  - 235
EP  - 238
VL  - 151
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1976__151_172446/
ID  - MZ_1976__151_172446
ER  -