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2. P. Erdös, P. M. Gruber, and J. Hammer, Lattice Points, Wiley, New York, 1989.
3. G. H. Hardy and E. M. Wright, The Theory of Numbers, Clarendon Press, Oxford, 1968.
4. W. J. LeVeque, The Elementary Theory of Numbers, Addison-Wesley, Reading, Massachusetts, 1962.
5. Théorème sur la géométrie des quinconces