%0 Journal Article %A N. M. Glazunov %T Extremal forms and rigidity in arithmetic geometry and in dynamics %J Čebyševskij sbornik %D 2015 %P 124-146 %V 16 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHEB_2015_16_3_a5/ %G en %F CHEB_2015_16_3_a5