@article{RCM_1994_28_1_a4,
     author = {RAUL NAULIN and CARLOS PABST},
     title = {The roots of a polynomial depend continuously on its coefficients},
     journal = {Revista colombiana de matematicas},
     pages = {35--37},
     publisher = {mathdoc},
     volume = {28},
     number = {1},
     year = {1994},
     url = {http://geodesic.mathdoc.fr/item/RCM_1994_28_1_a4/}
}