@article{GDZPPN001256238,
title = {Semigroups and their subsemigroup lattices.},
journal = {Semigroup forum},
volume = {26},
year = {1983},
pages = {1-154},
zbl = {0523.20037},
url = {http://dml.mathdoc.fr/item/GDZPPN001256238}
}
Shevrin, L.N.; Ovsyannikov, A.J. Semigroups and their subsemigroup lattices.. Semigroup forum, Tome 26 (1983) pp. 1-154. http://gdmltest.u-ga.fr/item/GDZPPN001256238/