@article{SM_2006_197_5_a0,
     author = {A. B. Antonevich and K. Zajkowski},
     title = {Variational principles for the spectral radius},
     journal = {Sbornik. Mathematics},
     pages = {633--680},
     year = {2006},
     volume = {197},
     number = {5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2006_197_5_a0/}
}