1. A. S. Kronrod, Nodes and Weights for Quadrature Formulas, "Nauka", Moscow, 1964; English transl., Consultants Bureau, New York, 1965. MR 32 #597; #598.
2. The optimum addition of points to quadrature formulae;Patterson, T. N. L.;Math. Comp. 22 (1968), 847--856; addendum, ibid.,1968
3. Über gewisse orthogonale Polynome, die zu einer oszillierenden Belegungsfunktion gehören;Szegö, G.;Math. Ann.,1935
4. On the construction of Gaussian quadrature rules from modified moments;Gautschi, Walter;Math. Comp.,1970
5. National Physical Laboratory Mathematical Tables, Vol. 5;Clenshaw, C. W.,1962