%0 Journal Article %A K.H. Hofmann %A A. Stralka %T Push-outs and strict projective limits of semilattices. %J Semigroup forum %D 1972 %P 243-261 %V 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1972__5_133943/ %F SF_1972__5_133943