- Igor' Germanovich Tsar'kov, “$\theta$-метрическая функция в задаче минимизации функционалов”, Известия Российской академии наук. Серия математическая, 88, № 2, 2024, 184

- I. G. Tsar’kov, “Smoothness of Solutions of the Eikonal Equation and Regular Points of Their Level Surfaces”, Russ. J. Math. Phys., 30, № 2, 2023, 259

- Alexey R. Alimov, “Strict Protosuns in Asymmetric Spaces of Continuous Functions”, Results Math, 78, № 3, 2023, 95

- Igor' Germanovich Tsar'kov, “Чебышевские множества с кусочно-непрерывной метрической проекцией”, Математические заметки, 113, № 6, 2023, 905

- I. G. Tsar’kov, “Properties of Chebyshev Generalized Rational Fractions in $L_1$”, Russ. J. Math. Phys., 29, № 4, 2022, 583

- A. R. Alimov, “On local properties of spaces implying monotone path-connectedness of suns”, J Anal, 31, № 3, 2023, 2287

- I. G. Tsar’kov, “Estimates of the Chebyshev Radius in Terms of the MAX-Metric Function and the MAX-Projection Operator”, Russ. J. Math. Phys., 30, № 1, 2023, 128

- I. G. Tsar’kov, “Chebyshev Sets with Piecewise Continuous Metric Projection”, Math Notes, 113, № 5-6, 2023, 840

- Igor' Germanovich Tsar'kov, “$\theta$-metric function
in the problem of minimization of functionals”, Izv. Math., 88, № 2, 2024, 369

- I.G. Tsar’kov, “Local and Global Suns”, Russ. J. Math. Phys., 31, № 4, 2024, 765
