@article{MZM_2021_109_2_a1,
     author = {T. V. Bogachev and S. N. Popova},
     title = {On {Optimization} of {Tax} {Functions}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {170--179},
     publisher = {mathdoc},
     volume = {109},
     number = {2},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2021_109_2_a1/}
}