%0 Journal Article %A E. I. Nikulin %T Contrast structures in the~reaction-- advection--diffusion problem appearing in a~drift--diffusion model of a~semiconductor in the~case of nonsmooth reaction %J Teoretičeskaâ i matematičeskaâ fizika %D 2023 %P 360-376 %V 215 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_2023_215_3_a1/ %G ru %F TMF_2023_215_3_a1