@article{GDZPPN001259520,
title = {Hereditary radicals and 0-bands of semigroups.},
journal = {Semigroup forum},
volume = {38},
year = {1989},
pages = {57-76},
zbl = {0661.20043},
url = {http://dml.mathdoc.fr/item/GDZPPN001259520}
}
Kelarev, A.V. Hereditary radicals and 0-bands of semigroups.. Semigroup forum, Tome 38 (1989) pp. 57-76. http://gdmltest.u-ga.fr/item/GDZPPN001259520/