Modified Adaptive Algorithms. - Yingkang Hu; Kirill A. Kopotun; Xiang Ming Yu (SIAM J. Numer. Anal., 2000)

Weakly nonoscillatory schemes for scalar conservation laws. - Kirill A. Kopotun; Marian Neamtu; Bojan Popov (Math. Comput., 2003)

On k-Monotone Approximation by Free Knot Splines. - Kirill A. Kopotun; Alexei Shadrin (SIAM J. Math. Anal., 2003)

On equivalence of moduli of smoothness of splines in Lp, 0 < p < 1. - Kirill A. Kopotun (J. Approx. Theory, 2006)

Univariate splines: Equivalence of moduli of smoothness and applications. - Kirill A. Kopotun (Math. Comput., 2007)

Constrained Spline Smoothing. - Kirill A. Kopotun; Dany Leviatan; A. V. Prymak (SIAM J. Numer. Anal., 2008)

Nearly monotone and nearly convex approximation by smooth splines in Lp, p>0. - Kirill A. Kopotun; Dany Leviatan; A. V. Prymak (J. Approx. Theory, 2009)

Three-monotone spline approximation. - G. A. Dzyubenko; Kirill A. Kopotun; A. V. Prymak (J. Approx. Theory, 2010)

Weighted moduli of smoothness of k-monotone functions and applications. - Kirill A. Kopotun (J. Approx. Theory, 2015)

Polynomial approximation with doubling weights having finitely many zeros and singularities. - Kirill A. Kopotun (J. Approx. Theory, 2015)

Yet another look at positive linear operators, q-monotonicity and applications. - Kirill A. Kopotun; Dany Leviatan; Andriy Prymak; Igor A. Shevchuk (J. Approx. Theory, 2016)

On weighted approximation with Jacobi weights. - Kirill A. Kopotun; Dany Leviatan; Igor A. Shevchuk (J. Approx. Theory, 2019)

Exact order of pointwise estimates for polynomial approximation with Hermite interpolation. - Kirill A. Kopotun; Dany Leviatan; Igor A. Shevchuk (J. Approx. Theory, 2021)

Onesided, intertwining, positive and copositive polynomial approximation with interpolatory constraints. - German Dzyubenko; Kirill A. Kopotun (J. Approx. Theory, 2024)