%0 Journal Article %A A.L. FOSTER %T Automorphisms and Functional Completeness in Universal Algebras. I. General Automorphisms, Structure Theory and Characterization. %J Mathematische Annalen %D 1969 %P 138-169 %V 180 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1969__180_161795/ %F MAN_1969__180_161795