| Piecewise monotone pointwise approximation GA Dzyubenko, J Gilewicz, IA Shevchuk Constructive approximation 14, 311-348, 1998 | 44 | 1998 |
| Pointwise estimates of coconvex approximation GA Dzyubenko, D Leviatan, IA Shevchuk Jaen J. Approxim.–2014.–6, 261-295, 2014 | 14 | 2014 |
| New phenomena in coconvex approximation GA Dzyubenko, J Gilewicz, IA Shevchuk Analysis Mathematica 32 (2), 113-121, 2006 | 13 | 2006 |
| Comonotone approximation of periodic functions GA Dzyubenko, MG Pleshakov Mathematical Notes 83, 180-189, 2008 | 12 | 2008 |
| Coconvex pointwise approximation GA Dzyubenko, J Gilewicz, IA Shevchuk Ukrainian Mathematical Journal 54, 1445-1461, 2002 | 12 | 2002 |
| Nearly coconvex point-wise approximation GA Dzyubenko, J Gilewicz East journal on approximations 6 (3), 357-384, 2000 | 12 | 2000 |
| Copositive approximation of periodic functions GA Dzyubenko, J Gilewicz Acta Mathematica Hungarica 120, 301-314, 2008 | 11 | 2008 |
| Pointwise estimation of comonotone approximation GA Dzyubenko Ukrainian Mathematical Journal 46, 1620-1626, 1994 | 10 | 1994 |
| Pointwise Estimates for the Coconvex Approximation of Differentiable Functions. HA Dzyubenko, VD Zalizko Ukrainian Mathematical Journal 57 (1), 2005 | 9 | 2005 |
| Nikolskii-type estimates for coconvex approximation of functions with one inflection point GA Dzyubenko, D Leviatan, IA Shevchuk Jaen J. Approx 2 (1), 49-62, 2010 | 8 | 2010 |
| Uniform estimates for monotonic polynomial approximation GA Dzyubenko, VV Listopad, IA Shevchuk Ukrainian Mathematical Journal 45 (1), 40-47, 1993 | 8 | 1993 |
| Nearly comonotone approximation of periodic functions GA Dzyubenko Anal. Theory Appl 33 (1), 74-92, 2017 | 7 | 2017 |
| Comonotone approximation of twice differentiable periodic functions HA Dzyubenko Ukrainian Mathematical Journal 61, 519-540, 2009 | 7 | 2009 |
| Nearly coconvex pointwise approximation by cubic splines and polynomials GA Dzyubenko, J Gilewicz East journal on approximations 12 (4), 417-440, 2006 | 7 | 2006 |
| Coconvex approximation of functions with more than one inflection point HA Dzyubenko, VD Zalizko Ukrainian Mathematical Journal 56 (3), 427-445, 2004 | 6 | 2004 |
| Copositive pointwise approximation GA Dzyubenko Ukrainian Mathematical Journal 48, 367-376, 1996 | 6 | 1996 |
| Negative results in coconvex approximation of periodic functions G Dzyubenko, V Voloshyna, L Yushchenko Journal of Approximation Theory 267, 105582, 2021 | 5 | 2021 |
| Copositive and positive pointwise approximation GA Dzyubenko preprint, 1994 | 5 | 1994 |
| Three-monotone spline approximation GA Dzyubenko, KA Kopotun, AV Prymak Journal of Approximation Theory 162 (12), 2168-2183, 2010 | 3 | 2010 |
| Comonotone approximation with interpolation at the ends on an interval GA Dzyubenko Analysis in Theory and Applications 22, 233-245, 2006 | 3 | 2006 |
