@article{PM_1989_1989_1_a11,
     author = {Zwiesler, Hans J.},
     title = {Invariantes de curvas anal{\'\i}ticas.},
     journal = {Publicacions matem\`atiques},
     pages = {147-152},
     publisher = {mathdoc},
     volume = {33},
     number = {1},
     year = {1989},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_1989_1989_1_a11/}
}