 Bernhard Roth,<br>
          Numerical Solutions of Nonlinear Equations,<br>
          Journal of the ACM,<br>
          Volume 10, Number 4, October 1963, pages 550-556.
        </li>
        <li>
          Herbert Keller,<br>
          Numerical Methods for Two-point Boundary Value Problems,<br>
          Dover, 1992,<br>
          ISBN: 0486669254,<br>
          LC: QA372.K42.
        </li>
        <li>
          Raman Mehra, William Kessel, James Carroll,<br>
          Global stability and contral anal