@article{TM_2023_321_a9,
     author = {S. E. Zhukovskiy and K. V. Storozhuk},
     title = {On {Smooth} {Functions} {That} {Are} {Even} on the {Boundary} of a {Ball}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {156--161},
     publisher = {mathdoc},
     volume = {321},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2023_321_a9/}
}