- Dmitriy Tverdyi, Roman Parovik, “Investigation of Finite-Difference Schemes for the Numerical Solution of a Fractional Nonlinear Equation”, Fractal Fract, 6, № 1, 2021, 23
- Dmitryi Tverdyi, Roman Parovik, Evgeniy Makarov, Pavel Firstov, Nazira Alimova, A. Dmitriev, G. Vodinchar, Z. Rakhmonov, “Application of the Riccati hereditary mathematical model to the study of the dynamics of radon accumulation in the storage chamber”, EPJ Web Conf., 254, 2021, 03001
- Д.А. Твёрдый, Р.И. Паровик, “Fractional differential model of physical processes with saturation and its application to the description of the dynamics of COVID-19”, Вестник КРАУНЦ. Физико-математические науки, № 3, 2022, 119
- 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
- Д.А. Твёрдый, Р.И. Паровик, “Application of High-Performance Computing to Solve the Cauchy problem with the Fractional Riccati Equation Using an Nonlocal Implicit Finite-Difference Scheme”, Вестник КРАУНЦ. Физико-математические науки, 46, № 1, 2024, 103
- D A Tverdyi, R I Parovik, “Fractional Riccati equation to model the dynamics of COVID-19 coronovirus infection”, J. Phys.: Conf. Ser., 2094, № 3, 2021, 032042
- Твёрдый, Д.А., Паровик, Р.И., “Mathematical modeling in MATLAB of solar activity cycles according to the growth-decline of the Wolf number”, Вестник КРАУНЦ. Физико-математические науки, № 4, 2022, 47
- Tembulat Kumykov, 1044, Current Problems of Applied Mathematics and Computer Systems, 2024, 573
- Твёрдый Д.А., Макаров Е.О., “Некоторые аспекты реализации программного комплекса PRPHMM 1.0 для уточнения параметров эредитарных математических моделей переноса радона в накопительной камере”, Вестник КРАУНЦ. Физико-математические науки, 49, № 4, 2024, 135