-Zolotukhin 
          Multiple Integrator,<br>
          in Numerical Integration: 
          Recent Developments, Software and Applications,<br>
          edited by Patrick Keast and Graeme Fairweather,<br>
          D. Reidel, 1987, pages 269-290.
        </li>
        <li>
          Arthur Stroud,<br>
          Approximate Calculation of Multiple Integrals,<br>
          Prentice Hall, 1971,<br>
          ISBN: 0130438936,<br>
          LC: QA311.S85.
        </li>
        <li>
          Arthur Stroud, 