%0 Journal Article %A L. Yu. Kolotilina %T Bounds for the largest two eigenvalues of the signless Laplacian %J Zapiski Nauchnykh Seminarov POMI %D 2013 %P 139-153 %V 419 %U http://geodesic.mathdoc.fr/item/ZNSL_2013_419_a8/ %G ru %F ZNSL_2013_419_a8