Abramova Veronika V. Russia Saratov State University, Russia, Saratov, Astrakhanskaya 83 аспирант кафедры математической экономики veronika0322@rambler.ru Author's articles On an Inner Estimate of a Convex Body by the Lebesgue Set of Convex Differentiable Function The External Estimate of the Compact Set by Lebesgue Set of the Convex Function