Werner, Helmut; Raymann, G. An approximation to the Fermi integral \(F_{1/2}(x)\). (English) Zbl 0178.51501 Math. Comput. 17, 193-194 (1963). PDFBibTeX XMLCite \textit{H. Werner} and \textit{G. Raymann}, Math. Comput. 17, 193--194 (1963; Zbl 0178.51501) Full Text: DOI
Werner, Helmut; Collinge, Robert Chebyshev approximations to the gamma function. (English) Zbl 0099.11901 Math. Comput. 15, 195-197 (1961). PDFBibTeX XMLCite \textit{H. Werner} and \textit{R. Collinge}, Math. Comput. 15, 195--197 (1961; Zbl 0099.11901) Full Text: DOI