TY  - JOUR
AU  - Betty Hinman
TI  - Products of threads.
JO  - Semigroup forum
PY  - 1974
SP  - 1
EP  - 20
VL  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1974__8_134021/
ID  - SF_1974__8_134021
ER  -