Pickalov, V.V. 2014. “Subpixel Smoothing by Floating Grids for Ring Artifact Reduction in Fan-Beam Tomography”. Numerical Methods and Programming (Vychislitel’nye Metody I Programmirovanie) 15 (42):726-31. https://en.num-meth.ru/index.php/journal/article/view/806.