%0 Journal Article %A Dmitri I. Panyushev %T Abelian ideals of a Borel subalgebra and root systems %J Journal of the European Mathematical Society %D 2014 %P 2693-2708 %V 16 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/jems/496/ %R 10.4171/jems/496 %F JEMS_2014_16_12_a4