1. ABRAMOWITZ M.AND STEGUN I. 1965. Handbook of Mathematical Functions. Dover New York. ABRAMOWITZ M.AND STEGUN I. 1965. Handbook of Mathematical Functions. Dover New York.
2. A Fortran Multiple-Precision Arithmetic Package
3. Algorithm 708: Significant digit computation of the incomplete beta function ratios
4. GRAHAM R. KNUTH D. AND PATASHNIK O. 1989. Concrete Mathematics. Addison-Wesley Redwood City CA. GRAHAM R. KNUTH D. AND PATASHNIK O. 1989. Concrete Mathematics. Addison-Wesley Redwood City CA.
5. Some Properties of Bernoulli's Numbers;RAMANUJAN S.;J. Ind. Math. Soc.,1911