%0 Journal Article %A K. M. Dyakonov %T Functions with small and large spectra as (non)extreme points in subspaces of $H^\infty$ %J Algebra i analiz %D 2022 %P 193-206 %V 34 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2022_34_3_a8/ %G en %F AA_2022_34_3_a8