%0 Journal Article %A I. S. Borisov %T An extremal property of self-normalized sums for symmetric random variables %J Matematičeskie trudy %D 2024 %P 19-25 %V 27 %N 4 %U http://geodesic.mathdoc.fr/item/MT_2024_27_4_a1/ %G ru %F MT_2024_27_4_a1