@article{MT_1994_26_a3,
     author = {A. N. Malyshev},
     title = {Iterative refinement of a solution by the method of least squares for systems of linear equations},
     journal = {Matemati\v{c}eskie trudy},
     pages = {77--90},
     publisher = {mathdoc},
     volume = {26},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MT_1994_26_a3/}
}