%0 Journal Article %A L. Yu. Kolotilina %T Upper bounds for the second largest eigenvalue of symmetric nonnegative matrices %J Zapiski Nauchnykh Seminarov POMI %D 2012 %P 138-163 %V 405 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2012_405_a11/ %G ru %F ZNSL_2012_405_a11