TY - JOUR AU - Dragoš Cvetković AU - Slobodan K. Simić TI - TOWARDS A SPECTRAL THEORY OF GRAPHS BASED ON THE SIGNLESS LAPLACIAN, I JO - Publications de l'Institut Mathématique PY - 2009 SP - 19 VL - _N_S_85 IS - 99 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.2298/PIM0999019C/ DO - 10.2298/PIM0999019C LA - en ID - 10_2298_PIM0999019C ER -