%0 Journal Article %A László Babai %A Barry Guiduli %T Spectral extrema for graphs: the Zarankiewicz problem %J The electronic journal of combinatorics %D 2009 %V 16 %N 1 %U http://geodesic.mathdoc.fr/articles/10.37236/212/ %R 10.37236/212 %F 10_37236_212