Byers, Ralph; Xu, Hongguo «A New Scaling for Newton's Iteration for the Polar Decomposition and its Backward Stability». SIAM Journal on Matrix Analysis and Applications. Society for Industrial and Applied Mathematics [Philadelphia, PA, EUA], 30, 2, 01-01-2008, pàg. 822–843. DOI: 10.1137/070699895. ISSN: 0895-4798.
Byers, Ralph; Xu, Hongguo «A New Scaling for Newton's Iteration for the Polar Decomposition and its Backward Stability». SIAM Journal on Matrix Analysis and Applications. Society for Industrial and Applied Mathematics [Philadelphia, PA, EUA], 30, 2, 01-01-2008, pàg. 822–843. DOI: 10.1137/070699895. ISSN: 0895-4798.