%0 Journal Article %A Louboutin, Stéphane R. %T When is the order generated by a cubic, quartic or quintic algebraic unit Galois invariant: three conjectures %J Czechoslovak Mathematical Journal %D 2020 %P 905-919 %V 70 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2020.0019-19/ %R 10.21136/CMJ.2020.0019-19 %G en %F 10_21136_CMJ_2020_0019_19