@article{GAU_1975-1976__3_1_A4_0,
     author = {Robba, Philippe},
     title = {Factorisation d'un op\'erateur diff\'erentiel, {III}},
     journal = {Groupe de travail d'analyse ultram\'etrique},
     note = {talk:6},
     pages = {1--6},
     publisher = {Secr\'etariat math\'ematique},
     volume = {3},
     number = {1},
     year = {1975-1976},
     mrnumber = {572967},
     zbl = {0362.12017},
     language = {fr},
     url = {http://archive.numdam.org/item/GAU_1975-1976__3_1_A4_0/}
}