%0 Journal Article %A A. V. Chernov %T On differentiation of functional in problem on parametric coefficient optimization in semilinear global electric circuit equation %J Ufa mathematical journal %D 2021 %P 152-173 %V 13 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/UFA_2021_13_3_a11/ %G en %F UFA_2021_13_3_a11