TY - JOUR AU - A. V. Lebedev TI - The possibility of existence of extremal indices exceeding one JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2022 SP - 3 EP - 8 IS - 1 UR - http://geodesic.mathdoc.fr/item/VMUMM_2022_1_a0/ LA - ru ID - VMUMM_2022_1_a0 ER -