TY - JOUR AU - N. M. Glazunov TI - Extremal forms and rigidity in arithmetic geometry and in dynamics JO - Čebyševskij sbornik PY - 2015 SP - 124 EP - 146 VL - 16 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CHEB_2015_16_3_a5/ LA - en ID - CHEB_2015_16_3_a5 ER -