@article{CLTM_1983_1983_1_a7,
     author = {Go\~ni, Juan},
     title = {Sobre la composici\'on de los puntos triples de las curvas planas.},
     journal = {Collectanea mathematica},
     pages = {3-17},
     publisher = {mathdoc},
     volume = {34},
     number = {1},
     year = {1983},
     zbl = {0576.14029},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/CLTM_1983_1983_1_a7/}
}