es for the Manipulation of Chebyshev Series,<br>
          Communications of the ACM,<br>
          Volume 16, 1973, pages 254-256.
        </li>
        <li>
          William Cody, Kenneth Hillstrom,<br>
          Chebyshev Approximations for the Natural Logarithm of the 
          Gamma Function,
          Mathematics of Computation,<br>
          Volume 21, Number 98, April 1967, pages 198-203.
        </li>
        <li>
          Richard Crandall,<br>
          Projects in Scientific Computing,<br>
   