%0 Journal Article %A Ian Stewart %T Adjoint groups and the Mal'cev correspondence (a tale of four functors) %J Fundamenta Mathematicae %D 1977 %P 71-77 %V 97 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-97-2-71-77/ %R 10.4064/fm-97-2-71-77 %G en %F 10_4064_fm_97_2_71_77