%0 Journal Article %A Nelson, Evelyn %T Injectivity and Equational Compactness in the Class of א0-Semilattices %J Canadian mathematical bulletin %D 1975 %P 387-392 %V 18 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1975-071-0/ %R 10.4153/CMB-1975-071-0 %F 10_4153_CMB_1975_071_0