@article{QUE_1999_1999_1_a4,
     author = {Beltr\'an Royo, C\'esar},
     title = {Minimizaci\'on global de un polinomio en la recta real.},
     journal = {Q\"uestii\'o},
     pages = {85-109},
     publisher = {mathdoc},
     volume = {23},
     number = {1},
     year = {1999},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/QUE_1999_1999_1_a4/}
}