TY - JOUR AU - A.L. FOSTER TI - Automorphisms and Functional Completeness in Universal Algebras. I. General Automorphisms, Structure Theory and Characterization. JO - Mathematische Annalen PY - 1969 SP - 138 EP - 169 VL - 180 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAN_1969__180_161795/ ID - MAN_1969__180_161795 ER -