TY  - JOUR
AU  - G.M.S. Gomes
TI  - Some results on congruences on R-unipotent semigroups.
JO  - Semigroup forum
PY  - 1986
SP  - 175
EP  - 186
VL  - 33
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1986__33_134802/
ID  - SF_1986__33_134802
ER  -