@article{PM_1989_1989_1_a25,
     author = {Rummler, Hansklaus},
     title = {Formas diferenciales, f\'ormula de {Weitzenb\"ock} y foliaciones.},
     journal = {Publicacions matem\`atiques},
     pages = {543-554},
     year = {1989},
     volume = {33},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_1989_1989_1_a25/}
}