@article{SEMR_2020_17_a109,
     author = {A. A. Uspenskii and P. D. Lebedev},
     title = {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},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {2028--2044},
     publisher = {mathdoc},
     volume = {17},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2020_17_a109/}
}