@article{EXMATH_2000_2000_1_a11,
     author = {Gasull, Armengol and Prohens, Rafel},
     title = {Ejemplos sencillos de bifurcaciones planas monoparam\'etricas.},
     journal = {Extracta mathematicae},
     pages = {219-229},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {2000},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMATH_2000_2000_1_a11/}
}