ial
      over the interior of the unit wedge in 3D.
    </p>

    <h3 align = "center">
      Reference:
    </h3>

    <p>
      <ul>
        <li>
          Jean Lasserre, Konstantin Avrachenkov,<br>
          The multidimensional version of the integral from A to B of X to the P,<br>
          American Mathematics Monthly,<br>
          Volume 108, Number 2, 2001, pages 151`-154.
        </li>
      </ul>
    </p>

    <h3 align = "center">
      Source Code:
    </h3>

    <p>
      <ul>
        <li>
  