TY - JOUR AU - V. V. Filatov TI - Massive sets produced by semilinear elliptic operators on non-compact Riemann manifolds JO - Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematika, mehanika, fizika PY - 2023 SP - 26 EP - 31 VL - 15 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VYURM_2023_15_2_a3/ LA - ru ID - VYURM_2023_15_2_a3 ER -