@article{ETNA_2016__45__a13,
     author = {Gra\c{c}a, M\'ario M.},
     title = {Maps for global separation of roots},
     journal = {Electronic transactions on numerical analysis},
     pages = {241--256},
     publisher = {mathdoc},
     volume = {45},
     year = {2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2016__45__a13/}
}