1. Å. BJÖRCK, "Solving linear least squares problems by Gram-Schmidtorthogonalization," BIT, v. 7, 1967, pp. 1-21.
2. C. W. CLENSHAW, "Chebyshev series for mathematical functions," Mathematical Tables, v. 5, National Physical Laboratory, HMSO, London, 1962.
3. Prentice-Hall Series in Automatic Computation;Björck, Ȧke,1974
4. K. GLASHOFF & S.-Å. GUSTAFSON, Einführung in die lineare Optimierung, Wissenschaftliche Buchgesellschaft, Darmstadt, 1978.
5. Calculation of Gauss quadrature rules;Golub, Gene H.;Math. Comp. 23 (1969), 221-230; addendum, ibid.,1969