@article{VMUMM_2021_2_a6,
     author = {K. S. Shklyaev},
     title = {Plane sets that are {Chebyshev} in some norm},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {35--39},
     publisher = {mathdoc},
     number = {2},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2021_2_a6/}
}