%0 Journal Article %A V. A. Dedok %A A. L. Karchevsky %A V. G. Romanov %T A numerical method of determining permittivity from the modulus of the electric intensity vector of an electromagnetic field %J Sibirskij žurnal industrialʹnoj matematiki %D 2019 %P 48-58 %V 22 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJIM_2019_22_3_a4/ %G ru %F SJIM_2019_22_3_a4