TY - JOUR AU - A. B. Antonevich TI - Variational principles for spectral radii of positive functional operators JO - Contemporary Mathematics. Fundamental Directions PY - 2006 SP - 5 EP - 18 VL - 15 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMFD_2006_15_a0/ LA - ru ID - CMFD_2006_15_a0 ER -