@article{PM_2006_2006_1_a4,
     author = {Casale, Guy},
     title = {Envolvente galoisiana de una aplicaci\'on racional de {P1.}},
     journal = {Publicacions matem\`atiques},
     pages = {191-202},
     publisher = {mathdoc},
     volume = {50},
     number = {1},
     year = {2006},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/PM_2006_2006_1_a4/}
}