%0 Journal Article %A A. B. Antonevich %A K. Zajkowski %T Variational principles for the spectral radius %J Sbornik. Mathematics %D 2006 %P 633-680 %V 197 %N 5 %U http://geodesic.mathdoc.fr/item/SM_2006_197_5_a0/ %G en %F SM_2006_197_5_a0