%0 Journal Article %A C. Praagman %T Roots and logarithms of automorphisms of complete local rings. %J Aequationes mathematicae %D 1987 %P 220-229 %V 33 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1987__33_137214/ %F AM2_1987__33_137214