@article{ELA_2004__11__a4,
     author = {Li, Chi-Kwong and Milligan, Thomas and Shader, Bryan L.},
     title = {Non-existence of $5\times 5$ full ray nonsingular matrices},
     journal = {The electronic journal of linear algebra},
     pages = {212--240},
     publisher = {mathdoc},
     volume = {11},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2004__11__a4/}
}