@article{DMSMF_1999_1999_1_a5,
     author = {Cant\'o, Rafael},
     title = {Properties of the {Singular} {Graph} of {Nonnegative} {Matrices.}},
     journal = {Disertaciones del Seminario de Matem\'aticas Fundamentales},
     pages = {1-16},
     publisher = {mathdoc},
     volume = {14},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMSMF_1999_1999_1_a5/}
}