@article{AFST_1938_4_2__59_0,
     author = {Saint-Guilhem, R.},
     title = {Transformations sph\'eriques r\'eelles},
     journal = {Annales de la Facult\'e des sciences de l'Universit\'e de Toulouse pour les sciences math\'ematiques et les sciences physiques},
     pages = {59--143},
     publisher = {\'Edouard Privat, Libraire-\'Editeur},
     address = {Toulouse},
     volume = {4e s{\'e}rie, 2},
     year = {1938},
     zbl = {0023.27102},
     language = {fr},
     url = {http://www.numdam.org/item/AFST_1938_4_2__59_0/}
}