%0 Journal Article %A N. L. Gol'dman %T On boundary optimal control of a coefficient in a nonlinear parabolic equation %J Numerical methods and programming %D 2021 %P 263-280 %V 22 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMP_2021_22_4_a2/ %G ru %F VMP_2021_22_4_a2