Slepov, V. A. ., O. A. . Grishina, M. E. . Kosov, M. E. . Khoranyan, and S. A. . Balandin. “Two-Parameter Model of Optimization of the Progressive Taxation System and Its Applicability”. Nexo Scientific Journal, vol. 35, no. 01, Apr. 2022, pp. 412-24, doi:10.5377/nexo.v35i01.14011.