@article{RSMUP_2005__114__213_0,
     author = {Pellarin, Federico},
     title = {Les nilradicaux diff\'erentiels d'anneaux associ\'es aux groupes triangulaires de {Riemann-Schwarz}},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {213--239},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {114},
     year = {2005},
     mrnumber = {2207866},
     zbl = {1165.11314},
     language = {fr},
     url = {http://www.numdam.org/item/RSMUP_2005__114__213_0/}
}