%0 Journal Article %A Fuhrken, G. %T On automorphisms of algebras with a single unary operation %J Portugaliae mathematica %D 1973 %P 49-52 %V 32 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1973__32_1_115188/ %G en %F PORMA_1973__32_1_115188