@article{CRMATH_2003__337_11_693_0,
     author = {Borcea, Julius and Shapiro, Boris},
     title = {Hyperbolic polynomials and spectral order},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {693--698},
     publisher = {Elsevier},
     volume = {337},
     number = {11},
     year = {2003},
     doi = {10.1016/j.crma.2003.10.007},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2003.10.007/}
}