Gaussian Quadrature Formulas (Algorithm 331 [D1]) CACM June, 1968 Gautschi, W. quadrature, Gaussian quadrature, numerical integration, weight function, orthogonal polynomials 5.16 CA680614 JB February 22, 1978 3:20 PM 1731 5 1731 1731 5 1731 1731 5 1731