%0 Journal Article %A A. A. Uspenskii %A P. D. Lebedev %T Properties of non stationer pseudo vertex with the break of smoothness of the target set boarder curvature in the Dirichlet problem to eikonal type equation %J Sibirskie èlektronnye matematičeskie izvestiâ %D 2020 %P 2028-2044 %V 17 %I mathdoc %U http://geodesic.mathdoc.fr/item/SEMR_2020_17_a109/ %G ru %F SEMR_2020_17_a109