@article{GDZPPN001248960, title = {Weakly self-injective semilattices.}, journal = {Semigroup forum}, volume = {7}, year = {1974}, pages = {3-11}, zbl = {0256.06003}, url = {http://dml.mathdoc.fr/item/GDZPPN001248960} }
McMorris, F.R.; Johnson, C.S. jr. Weakly self-injective semilattices.. Semigroup forum, Tome 7 (1974) pp. 3-11. http://gdmltest.u-ga.fr/item/GDZPPN001248960/