TY - JOUR AU - V. V. Abramova AU - S. I. Dudov AU - M. A. Osiptsev TI - The external estimate of the compact set by Lebesgue set of the convex function JO - Izvestiya of Saratov University. Mathematics. Mechanics. Informatics PY - 2020 SP - 142 EP - 153 VL - 20 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ISU_2020_20_2_a0/ LA - ru ID - ISU_2020_20_2_a0 ER -