%0 Journal Article %A A.L. FOSTER %T On the Imbeddability of Universal Algebras in Relation to their Identities. I. %J Mathematische Annalen %D 1959 %P 219-238 %V 138 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1959__138_160711/ %F MAN_1959__138_160711