Coconvex approximation of periodic functions von Zalizko, V. D., Залізко, В. Д.

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Pointwise Estimates for the Coconvex Approximation of Differentiable Functions von Dzyubenko, H. A., Zalizko, V. D., Дзюбенко, Г. А., Залізко, В. Д.

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Coconvex Approximation of Functions with More than One Inflection Point von Dzyubenko, H. A., Zalizko, V. D., Дзюбенко, Г. А., Залізко, В. Д.

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