%0 Journal Article %A Gaskill, H. S. %T Classes of Semilattices Associated with an Equational Class of Lattices %J Canadian journal of mathematics %D 1973 %P 361-365 %V 25 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1973-036-9/ %R 10.4153/CJM-1973-036-9 %F 10_4153_CJM_1973_036_9