@article{GAU_1978-1979__6__A2_0,
     author = {Robba, Philippe},
     title = {Points singuliers d'\'equations diff\'erentielles},
     journal = {Groupe de travail d'analyse ultram\'etrique},
     note = {talk:5},
     pages = {1--2},
     publisher = {Secr\'etariat math\'ematique},
     volume = {6},
     year = {1978-1979},
     zbl = {0477.12027},
     language = {fr},
     url = {http://www.numdam.org/item/GAU_1978-1979__6__A2_0/}
}