%0 Journal Article %A Robert Coquereaux %A Jean-Bernard Zuber %T The Horn Problem for Real Symmetric and Quaternionic Self-Dual Matrices %J Symmetry, integrability and geometry: methods and applications %D 2019 %V 15 %U http://geodesic.mathdoc.fr/item/SIGMA_2019_15_a28/ %G en %F SIGMA_2019_15_a28