@article{GDZPPN001250302,
title = {A subdirectly irreducible band accepting a = a.},
journal = {Semigroup forum},
volume = {7},
year = {1974},
pages = {271-274},
zbl = {0292.20060},
url = {http://dml.mathdoc.fr/item/GDZPPN001250302}
}
Fennemore, C.F. A subdirectly irreducible band accepting a = a.. Semigroup forum, Tome 7 (1974) pp. 271-274. http://gdmltest.u-ga.fr/item/GDZPPN001250302/