Dryazhenkov, A. 2015. A modified generalized residual method for minimization problems with errors of a known level in weakened norms. Numerical Methods and Programming (Vychislitel’nye Metody i Programmirovanie). 16, 46 (Aug. 2015), 456–463. DOI:https://doi.org/10.26089/NumMet.v16r443.