@article{VSPUI_2020_16_1_a0,
     author = {S. V. Chistyakov and A. N. Kvitko and D. B. Kichinsky and M. E. Vasetsov and I. S. Uspasskaya},
     title = {A system of models for constructing a progressive income tax schedule},
     journal = {Vestnik Sankt-Peterburgskogo universiteta. Prikladna\^a matematika, informatika, processy upravleni\^a},
     pages = {4--18},
     publisher = {mathdoc},
     volume = {16},
     number = {1},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSPUI_2020_16_1_a0/}
}