@article{ELA_2007__16__a37,
     author = {Soto, Ricardo L. and Rojo, Oscar and Moro, Julio and Borobia, Alberto},
     title = {Symmetric nonnegative realization of spectra},
     journal = {The electronic journal of linear algebra},
     pages = {1--18},
     publisher = {mathdoc},
     volume = {16},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2007__16__a37/}
}