@article{CLTM_1983_1983_1_a3,
     author = {Go\~ni, J.},
     title = {Sobre el comportamiento de la primera polar en un punto singular.},
     journal = {Collectanea mathematica},
     pages = {128-136},
     publisher = {mathdoc},
     volume = {34},
     number = {2},
     year = {1983},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CLTM_1983_1983_1_a3/}
}