%0 Journal Article %A A. V. Lebedev %T The possibility of existence of extremal indices exceeding one %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2022 %P 3-8 %N 1 %U http://geodesic.mathdoc.fr/item/VMUMM_2022_1_a0/ %G ru %F VMUMM_2022_1_a0