@article{10_37236_387,
     author = {Saieed Akbari and Ebrahim Ghorbani and Jacobus H. Koolen and Mohammad Reza Oboudi},
     title = {On sum of powers of the {Laplacian} and signless {Laplacian} eigenvalues of graphs},
     journal = {The electronic journal of combinatorics},
     year = {2010},
     volume = {17},
     doi = {10.37236/387},
     zbl = {1218.05086},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/387/}
}