TY - JOUR AU - Tianfei Wang AU - Jin Yang AU - Bin Li TI - Improved upper bounds for the Laplacian spectral radius of a graph JO - The electronic journal of combinatorics PY - 2011 VL - 18 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.37236/522/ DO - 10.37236/522 ID - 10_37236_522 ER -