%0 Journal Article %A R. K. Tagiev %A R. S. Kasymova %T Variational method of solving a coefficient inverse problem for an elliptic equation %J Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematika, mehanika, fizika %D 2018 %P 12-20 %V 10 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VYURM_2018_10_1_a1/ %G ru %F VYURM_2018_10_1_a1