%0 Journal Article %A A. B. Antonevich %T Variational principles for spectral radii of positive functional operators %J Contemporary Mathematics. Fundamental Directions %D 2006 %P 5-18 %V 15 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMFD_2006_15_a0/ %G ru %F CMFD_2006_15_a0