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Golub, G. H.; Pereyra, V. (April 1973). “The Differentiation of Pseudo-Inverses and Nonlinear Least Squares Problems Whose Variables Separate”. SIAM Journal on Numerical Analysis10 (2): 413–32. Bibcode: 1973SJNA...10..413G. doi:10.1137/0710036. JSTOR2156365.
Söderström, Torsten; Stewart, G. W. (1974). “On the Numerical Properties of an Iterative Method for Computing the Moore–Penrose Generalized Inverse”. SIAM Journal on Numerical Analysis11 (1): 61–74. Bibcode: 1974SJNA...11...61S. doi:10.1137/0711008. JSTOR2156431.
Golub, G. H.; Pereyra, V. (April 1973). “The Differentiation of Pseudo-Inverses and Nonlinear Least Squares Problems Whose Variables Separate”. SIAM Journal on Numerical Analysis10 (2): 413–32. Bibcode: 1973SJNA...10..413G. doi:10.1137/0710036. JSTOR2156365.
Söderström, Torsten; Stewart, G. W. (1974). “On the Numerical Properties of an Iterative Method for Computing the Moore–Penrose Generalized Inverse”. SIAM Journal on Numerical Analysis11 (1): 61–74. Bibcode: 1974SJNA...11...61S. doi:10.1137/0711008. JSTOR2156431.
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