@article{10_4153_S0008414X21000651,
     author = {Bravi, Paolo and Gandini, Jacopo},
     title = {On the multiplication of spherical functions of reductive spherical pairs of type {A}},
     journal = {Canadian journal of mathematics},
     pages = {341--374},
     year = {2023},
     volume = {75},
     number = {2},
     doi = {10.4153/S0008414X21000651},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/S0008414X21000651/}
}