1. Oscillating polynomials and approximations to |x|;Bell;Publ. Ramanujan Inst.,1969
2. Sur la meilleure approximation de |x| par des polynômes de degré donnés;Bernstein;Acta Math.,1913
3. Bernstein's constant and best approximation on [0,∞);Bojanic;Publ. Inst. Math. (N.S.),1975
4. A FORTRAN multiple-precision arithmetic package;Brent;ACM Trans. Math. Software,1978
5. Algorithms d'Accélération de la Convergence;Brezinski,1978