<div class="references-small">
* {{cite book | author=Atkinson, Kendall A. | title=An Introduction to Numerical Analysis | edition=2 | publisher=John Wiley & Sons | year=1989 | id={{ISBN|0-471-50023-2}}}}
* {{cite book | title = Numerical Recipes in Pascal: The Art of Scientific Computing | author = Press, William H., Brian P. Flannery, William T. Vetterling, og Saul A. Teukolsky | publisher = Cambridge University Press | year = 1989 | isbn = 0521375169 | url = http://books.google.com/books?id=bh5w6E-M-PUC&pg=PA122&dq=extended-simpson%27s-rule }}
* {{cite book | author=Süli, Endre og Mayers, David | title=An Introduction to Numerical Analysis | publisher=Cambridge University Press | year=2003 | id={{ISBN|0-521-81026-4}} (hardback), {{ISBN|0-521-00794-1}} (paperback)}}
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Videnskab Matematik Matematiske_sætninger