@article{VMUMM_2022_1_a0,
     author = {A. V. Lebedev},
     title = {The possibility of existence of extremal indices exceeding one},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {3--8},
     year = {2022},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2022_1_a0/}
}