TY  - JOUR
AU  - T. Evans
TI  - When is a functionally free algebra free?
JO  - Semigroup forum
PY  - 1972
SP  - 177
EP  - 184
VL  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1972__4_133891/
ID  - SF_1972__4_133891
ER  -