@article{SIGMA_2019_15_a28,
     author = {Robert Coquereaux and Jean-Bernard Zuber},
     title = {The {Horn} {Problem} for {Real} {Symmetric} and {Quaternionic} {Self-Dual} {Matrices}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2019},
     volume = {15},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2019_15_a28/}
}