tion for the Finite
          Element Method,<br>
          in International Conference on Computational Methods
          in Nonlinear Mechanics,<br>
          edited by John Oden,<br>
          Elsevier, 1980,<br>
          ISBN: 0444853820,<br>
          LC: QA808.I57.
        </li>
        <li>
          Richard Brent,<br>
          Algorithms for Minimization without Derivatives,<br>
          Dover, 2002,<br>
          ISBN: 0-486-41998-3,<br>
          LC: QA402.5.B74.
        </li>
        <li>
    