@article{GDZPPN001260766,
title = {Orthodox semigroups with complemented congruence lattices.},
journal = {Semigroup forum},
volume = {43},
year = {1991},
pages = {53-58},
zbl = {0716.20043},
url = {http://dml.mathdoc.fr/item/GDZPPN001260766}
}
Auinger, K. Orthodox semigroups with complemented congruence lattices.. Semigroup forum, Tome 43 (1991) pp. 53-58. http://gdmltest.u-ga.fr/item/GDZPPN001260766/