TY - JOUR AU - M. M. Sirazhudinov AU - L. M. Dzhabrailova TI - Operator estimates for the averaging of the Riemann-Hilbert problem for the Beltrami equation with a locally periodic coefficient JO - Daghestan Electronic Mathematical Reports PY - 2021 SP - 51 EP - 61 VL - 16 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DEMR_2021_16_a3/ LA - ru ID - DEMR_2021_16_a3 ER -