%0 Journal Article %A E. N. Khailov %A E. V. Grigorieva %T Connecting a Third-Order Singular Arc with Nonsingular Arcs of Optimal Control in a Minimization Problem for a Psoriasis Treatment Model %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2021 %P 271-283 %V 315 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2021_315_a19/ %G ru %F TM_2021_315_a19