@article{GDZPPN001263234,
title = {On subsemigroup lattices of aperiodic groups.},
journal = {Semigroup forum},
volume = {48},
year = {1994},
pages = {131-137},
zbl = {0812.20013},
url = {http://dml.mathdoc.fr/item/GDZPPN001263234}
}
Ivanov, S.V. On subsemigroup lattices of aperiodic groups.. Semigroup forum, Tome 48 (1994) pp. 131-137. http://gdmltest.u-ga.fr/item/GDZPPN001263234/