References

Anderson, J.W., 2006. Hyperbolic Geometry. 2nd Edn., Springer, Berlin, Germany, ISBN:9781852339340, Pages: 277.

Borisov, A.V. and I.S. Mamaev, 2006. The restricted two-body problem in constant curvature spaces. Celestial Mech. Dyn. Astron., 96: 1-17.
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Cannon, J.W., W.J. Floyd, R. Kenyon and W.R. Parry, 1997. Hyperbolic geometry. Flavors Geom., 31: 59-115.
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Diacu, F., 2012. The non-existence of centre-of-mass and linear-momentum integrals in the curved N-body problem. Libertas Math, 32: 25-37.
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Garcia-Naranjo, L.C., J.C. Marrero, E. Perez-Chavela and M. Rodriguez-Olmos, 2016. Classification and stability of relative equilibria for the two-body problem in the hyperbolic space of dimension. J. Differ. Equations, 260: 6375-6404.
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Palencia, P.P.O. and J.G.R. Victoria, 2017. Hyperbolic center of mass for a system of particles on a two-dimensional space with constant negative curvature: An application to the curved 2-and 3-body problems. J. Phys. Sci., 1: 1-7.
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Stahl, S., 2007. A Gateway to Modern Geometry: The Poincare Half-Plane. 2nd Edn., Jones and Bartlett Publishers, Massachusetts, USA., ISBN-13:978-0763753818, Pages: 255.

Terras, A., 2013. Harmonic Analysis on Symmetric Spaces-Euclidean Space, the Sphere and the Poincare Upper Half-Plane. 2nd Edn., Springer, Berlin, Germany, ISBN:978-1-4614-7971-0, Pages: 413.

Ungar, A.A., 2008. Analytic Hyperbolic Geometry and Albert Einstein’s Special Theory of Relativity. World Scientific, Singapore, ISBN:978-981-4474-01-6, Pages: 648.