@article{GAU_1981-1982__9_3_A16_0,
     author = {Robba, Philippe},
     title = {Indice d{\textquoteright}un op\'erateur diff\'erentiel lin\'eaire $p$-adique d{\textquoteright}ordre $1$ et cohomologie $p$-adiques},
     journal = {Groupe de travail d'analyse ultram\'etrique},
     note = {talk:J15},
     pages = {J1--J10},
     publisher = {Secr\'etariat math\'ematique},
     volume = {9},
     number = {3},
     year = {1981-1982},
     zbl = {0517.12013},
     language = {fr},
     url = {http://www.numdam.org/item/GAU_1981-1982__9_3_A16_0/}
}