@article{JOLT_2021_31_3_a11,
     author = {Nicolas Ressayre},
     title = {Reductions for {Branching} {Coefficients}},
     journal = {Journal of Lie Theory},
     pages = {885--896},
     year = {2021},
     volume = {31},
     number = {3},
     url = {http://geodesic.mathdoc.fr/item/JOLT_2021_31_3_a11/}
}