@article{AFST_1996_6_5_2_299_0,
     author = {Boussel, Katy},
     title = {Op\'erateurs hyperg\'eom\'etriques r\'eductibles : d\'ecompositions et groupes de {Galois} diff\'erentiels},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {299--362},
     publisher = {Universit\'e Paul Sabatier},
     address = {Toulouse},
     volume = {6e s{\'e}rie, 5},
     number = {2},
     year = {1996},
     mrnumber = {1413856},
     zbl = {0908.12002},
     language = {fr},
     url = {http://archive.numdam.org/item/AFST_1996_6_5_2_299_0/}
}