 <li>
          <b>P87_R8VEC</b> sets or gets real vector parameters for problem 87.
        </li>
        <li>
          <b>P87_REGION</b> returns the name of the integration region 
          for problem 87.
        </li>
        <li>
          <b>P87_TITLE</b> prints a title for problem 87.
        </li>
      </ul> 
    </p>

    <p>
      The list of integrand functions includes:
      <ol>
        <li>
          f(x) = ( sum ( x(1:m) ) )^2;
        </li>
        <li>
          f(x) = ( sum ( 2 * x(1:m