@article{GDZPPN001248766, title = {Dimensionally stable semilattices.}, journal = {Semigroup forum}, volume = {4}, year = {1972}, pages = {181-185}, zbl = {0268.06006}, url = {http://dml.mathdoc.fr/item/GDZPPN001248766} }
Lawson, J.D. Dimensionally stable semilattices.. Semigroup forum, Tome 4 (1972) pp. 181-185. http://gdmltest.u-ga.fr/item/GDZPPN001248766/