TY  - JOUR
AU  - P.R. Jones
TI  - A graphical representation for the free product of E-unitary inverse semigroups.
JO  - Semigroup forum
PY  - 1982
SP  - 195
EP  - 222
VL  - 24
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1982__24_134547/
ID  - SF_1982__24_134547
ER  -