Editorial retraction: Article “Overview of polar codes problems from Optimization Error Correction Coding Theory technologies points of view” by N.А. Kuznetsov, V.V. Zolotarev, G.V. Ovechkin, R.R. Nazirov, D. Zh. Satybaldina and E.D. Omirbaev (DOI: 10.21046/2070-7401-2020-17-4-9-26) - Retracted Article | RetractBase