@article{ELMA_1991__46_2_141508,
     author = {M. Mignotte},
     title = {An inequality on the greates roots of a polynomial.},
     journal = {Elemente der Mathematik},
     pages = {85--86},
     publisher = {mathdoc},
     volume = {46},
     number = {2},
     year = {1991},
     zbl = {0745.12001},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1991__46_2_141508/}
}