%0 Journal Article %A M. R. Langarshoev %T On the value of the widths of some classes of functions from $L_{2}$ %J Dalʹnevostočnyj matematičeskij žurnal %D 2021 %P 61-70 %V 21 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DVMG_2021_21_1_a5/ %G ru %F DVMG_2021_21_1_a5