Д. А. Твёрдый, Р. И. Паровик, “Математической моделирование в MATLAB циклов солнечной активности по данным роста-спада числа Вольфа”, Вестник КРАУНЦ. Физ.-мат. науки, 41:4 (2022), 47–64 [D. A. Tvyordyj, R. I. Parovik, “Mathematical modeling in matlab of solar activity cycles according to the growth-decline of the Wolf number”, Vestnik KRAUNC. Fiz.-Mat. Nauki, 41:4 (2022), 47–64 ]
Dmitriy Tverdyi, Roman Parovik, “Application of the Fractional Riccati Equation for Mathematical Modeling of Dynamic Processes with Saturation and Memory Effect”, Fractal Fract, 6:3 (2022), 163 $https://doi.org/10.3390/fractalfract6030163$
Д. А. Твёрдый, Р. И. Паровик, “Дробно-дифференциальная модель физических процессов с насыщением и ее применение к описанию динамики COVID-19”, Вестник КРАУНЦ. Физ.-мат. науки, 40:3 (2022), 119–136 [D. A. Tvyordyj, R. I. Parovik, “Fractional differential model of physical processes with saturation and its application to the description of the dynamics of COVID-19”, Vestnik KRAUNC. Fiz.-Mat. Nauki, 40:3 (2022), 119–136 ]
Dmitriy Tverdyi, Roman Parovik, “Investigation of Finite-Difference Schemes for the Numerical Solution of a Fractional Nonlinear Equation”, Fractal Fract, 6:1 (2021), 23 $https://doi.org/10.3390/fractalfract6010023$
Roman Parovik, Dmitriy Tverdyi, “Some Aspects of Numerical Analysis for a Model Nonlinear Fractional Variable Order Equation”, MCA, 26:3 (2021), 55