%0 Journal Article %A Ježek, Jaroslav %T The lattice of equational theories. Part III: Definability and automorphisms %J Czechoslovak Mathematical Journal %D 1982 %P 129-164 %V 32 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1982.101790/ %R 10.21136/CMJ.1982.101790 %G en %F 10_21136_CMJ_1982_101790