TY - JOUR AU - Saieed Akbari AU - Ebrahim Ghorbani AU - Jacobus H. Koolen AU - Mohammad Reza Oboudi TI - On sum of powers of the Laplacian and signless Laplacian eigenvalues of graphs JO - The electronic journal of combinatorics PY - 2010 VL - 17 UR - http://geodesic.mathdoc.fr/articles/10.37236/387/ DO - 10.37236/387 ID - 10_37236_387 ER -