%0 Journal Article %A T. V. Sazhenkova %A S. A. Sazhenkov %T Kaplan's penalty operator in approximation of a diffusion-absorption problem with a one-sided constraint %J Sibirskie èlektronnye matematičeskie izvestiâ %D 2019 %P 236-248 %V 16 %I mathdoc %U http://geodesic.mathdoc.fr/item/SEMR_2019_16_a83/ %G en %F SEMR_2019_16_a83