The polynomial approximation to a function in a semi-infinite interval has been worked out by using a variant of Chebyshev polynomials. The same has been applied to solve the quadrature problem over the said interval.
 F. B. Hildebrand: Introduction to Numerical Analysis
. McGraw-Hill, New York-London, 1956, p. 325-329. MR 0075670
| Zbl 0070.12401
 L. Fox, I. B. Parker: Chebyshev Polynomials in Numerical Analysis
. Oxford University Press, 1968, pp. 68, 90. MR 0228149