Hackbusch, Wolfgang Max Planck Institute for Mathematics in the Sciences, Max Planck Society;
Uschmajew, André Max Planck Institute for Mathematics in the Sciences, Max Planck Society;
Hackbusch, W., & Uschmajew, A. (2021). Modified iterations for data-sparse solution of linear systems. Vietnam journal of mathematics, 49(2), 493-512. doi:10.1007/s10013-021-00504-9.