- Francesca Aicardi, “Projective geometry from Poisson algebras”, Journal of Geometry and Physics, 61, № 8, 2011,
1574 
- V. I. Arnold, “Fermat Dynamics, Matrix Arithmetics, Finite Circles, and Finite Lobachevsky Planes”, Functional Analysis and Its Applications, 38, № 1, 2004,
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