>
        <li>
          Milton Abramowitz, Irene Stegun,<br>
          Handbook of Mathematical Functions,<br>
          National Bureau of Standards, 1964,<br>
          ISBN: 0-486-61272-4,<br>
          LC: QA47.A34.
        </li>
        <li>
          Philip Davis, Philip Rabinowitz,<br>
          Methods of Numerical Integration,<br>
          Second Edition,<br>
          Dover, 2007,<br>
          ISBN: 0486453391,<br>
          LC: QA299.3.D28.
        </li>
        <li>
          Sylvan Elhay, Ja