@article{RMI_2008_2008_1_a23,
     author = {Henk, M. and  Hern\'andez-Cifre, M.\'A. },
     title = {Notes on the roots of {Steiner} polynomials.},
     journal = {Revista matem\'atica iberoamericana},
     pages = {631-644},
     publisher = {mathdoc},
     volume = {24},
     number = {2},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RMI_2008_2008_1_a23/}
}