@article{CMFD_2006_15_a0,
     author = {A. B. Antonevich},
     title = {Variational principles for spectral radii of positive functional operators},
     journal = {Contemporary Mathematics. Fundamental Directions},
     pages = {5--18},
     publisher = {mathdoc},
     volume = {15},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMFD_2006_15_a0/}
}