@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/