TY  - JOUR
AU  - E.E. DeVun
AU  - G. Graham
TI  - Semigroups with commuting threads.
JO  - Semigroup forum
PY  - 1989
SP  - 203
EP  - 214
VL  - 39
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1989__39_2_134987/
ID  - SF_1989__39_2_134987
ER  -