@article{GDZPPN001253441,
title = {The Structure of ...-unipotent semigroups.},
journal = {Semigroup forum},
volume = {18},
year = {1979},
pages = {189-200},
zbl = {0426.20055},
url = {http://dml.mathdoc.fr/item/GDZPPN001253441}
}
Edwards, C.C. The Structure of ...-unipotent semigroups.. Semigroup forum, Tome 18 (1979) pp. 189-200. http://gdmltest.u-ga.fr/item/GDZPPN001253441/