@article{PM_1993_1993_1_a13,
     author = {S\'anchez-Bringas, Federico},
     title = {Formas normales de campos vectoriales invariantes bajo la acci\'on de un grupo finito.},
     journal = {Publicacions matem\`atiques},
     pages = {75-82},
     publisher = {mathdoc},
     volume = {37},
     number = {1},
     year = {1993},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_1993_1993_1_a13/}
}