@article{SPS_1986__20__419_0,
     author = {Silverstein, Martin L.},
     title = {Orthogonal polynomial martingales on spheres},
     journal = {S\'eminaire de probabilit\'es},
     pages = {419--422},
     year = {1986},
     publisher = {Springer - Lecture Notes in Mathematics},
     volume = {20},
     mrnumber = {942035},
     zbl = {0609.60054},
     language = {en},
     url = {https://www.numdam.org/item/SPS_1986__20__419_0/}
}