%0 Journal Article %A Moulay Barkatou %A Thomas Cluzeau %A Lucia Di Vizio %A Jacques-Arthur Weil %T Reduced Forms of Linear Differential Systems and the Intrinsic Galois–Lie Algebra of Katz %J Symmetry, integrability and geometry: methods and applications %D 2020 %V 16 %U http://geodesic.mathdoc.fr/item/SIGMA_2020_16_a53/ %G en %F SIGMA_2020_16_a53