@article{MZM_2021_110_4_a7,
     author = {V. V. Ryzhikov},
     title = {Mixing {Sets} for {Rigid} {Transformations}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {576--583},
     publisher = {mathdoc},
     volume = {110},
     number = {4},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2021_110_4_a7/}
}