@article{TIMM_2021_27_2_a3,
     author = {V. I. Berdyshev},
     title = {An {Object} with a {Striking} {Device} and a {Hostile} {Observer} in {Three-Dimensional} {Space}},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {49--58},
     publisher = {mathdoc},
     volume = {27},
     number = {2},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2021_27_2_a3/}
}