test integrands for 2D quadrature rules.
    </p>

    <p>
      <a href = "../../f77_src/test_int_laguerre/test_int_laguerre.html">
      TEST_INT_LAGUERRE</a>,
      a FORTRAN77 library which
      defines test integrands for the interval [a,+oo) and weight exp(-x);
    </p>

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

    <p>
      <ol>
        <li>
          Philip Davis, Philip Rabinowitz,<br>
          Methods of Numerical Integration,<br>
          Second Edition,<br>
          Dover, 2007,