%0 Journal Article %A A. V. Kravchuk %T Constructing segments of quadratic length in $Spec(T_n)$ through segments of linear length %J Sibirskie èlektronnye matematičeskie izvestiâ %D 2024 %P 927-939 %V 21 %N 2 %U http://geodesic.mathdoc.fr/item/SEMR_2024_21_2_a8/ %G en %F SEMR_2024_21_2_a8