..[BBC2000] J.Borwein, D. M. Bradley and R. E. Crandall, "Computational strategies for the Riemann zeta function", Journal of Computational and Applied Mathematics 121 (2000) 247-296
..[BZ1992]_ J.Borwein and I.Zucker, "Fast evaluation of the gamma function for small rational fractions using complete elliptic integrals of the first kind", IMA Journal of Numerical Analysis 12 (1992) 519-526
..[Bor1987]_ P.Borwein, "Reduced complexity evaluation of hypergeometric functions", Journal of Approximation Theory 50:3 (1987)
..[Bor2000] P.Borwein, "An Efficient Algorithm for the Riemann Zeta Function", Constructive experimental and nonlinear analysis, CMS Conference Proc. 27 (2000) 29-34. http://www.cecm.sfu.ca/personal/pborwein/PAPERS/P155.pdf
..[BM1980] R.Brent and E.M. McMillan, "Some new algorithms for high-precision computation of Euler's constant", Mathematics of Computation 34 (1980) 305-312.
..[Bre2010] R.Brent, "Ramanujan and Euler's Constant", http://wwwmaths.anu.edu.au/~brent/pd/Euler_CARMA_10.pdf
..[BZ2011] R.Brent and P.Zimmermann, *Modern Computer Arithmetic*, Cambridge University Press (2011), http://www.loria.fr/~zimmerma/mca/pub226.html
..[CP2005] R.Crandall and C.Pomerance, *Prime Numbers: A Computational Perspective*, second edition, Springer (2005).
..[Fil1992] S.Fillebrown, "Faster Computation of Bernoulli Numbers", Journal of Algorithms 13 (1992) 431-445
..[GG2003] J.von zur Gathen and J. Gerhard, *Modern Computer Algebra*, second edition, Cambridge University Press (2003)
..[GS2003] X.Gourdon and P. Sebah, "Numerical evaluation of the Riemann Zeta-function" (2003), http://numbers.computation.free.fr/Constants/Miscellaneous/zetaevaluations.pdf
..[HZ2004] G.Hanrot and P. Zimmermann, "Newton Iteration Revisited" (2004), http://www.loria.fr/~zimmerma/papers/fastnewton.ps.gz
..[Hoe2009] J.van der Hoeven, "Ball arithmetic", Technical Report, HAL 00432152 (2009). http://www.texmacs.org/joris/ball/ball-abs.html
..[Kar1998] E.A.Karatsuba, "Fast evaluation of the Hurwitz zeta function and Dirichlet L-series", Problems of Information Transmission 34:4 (1998), 342-353. http://www.mathnet.ru/php/archive.phtml?wshow=paper&jrnid=ppi&paperid=425&option_lang=eng
..[MPFR2012] The MPFR team, "MPFR Algorithms" (2012), http://www.mpfr.org/algo.html
..[NIST2012], National Institute of Standards and Technology, *Digital Library of Mathematical Functions* (2012), http://dlmf.nist.gov/
..[PS1973] M.S. Paterson and L. J. Stockmeyer, "On the number of nonscalar multiplications necessary to evaluate polynomials", SIAM J. Comput (1973)
..[Tak2000] D.Takahashi, "A fast algorithm for computing large Fibonacci numbers", Information Processing Letters 75 (2000) 243-246. http://www.ii.uni.wroc.pl/~lorys/IPL/article75-6-1.pdf