@article{10_37236_1060, author = {David Emms and Edwin R. Hancock and Simone Severini and Richard C. Wilson}, title = {A matrix representation of graphs and its spectrum as a graph invariant}, journal = {The electronic journal of combinatorics}, year = {2006}, volume = {13}, doi = {10.37236/1060}, zbl = {1099.05082}, url = {http://geodesic.mathdoc.fr/articles/10.37236/1060/} }