Levi-Civita T. The n-Body Problem in General Relativity

Springer Netherlands, 1964 — 120 p. — ISBN: 978-94-017-3398-4 (eBook), 978-90-277-0106-0 (Hardcover), 978-90-481-8336-4 (Softcover).Einsteinian Gravitation
The Analytical Nature of the Equations of the Gravitational Motion of a Continuous Stress-Free Medium
Criteria of Approximation and Reduced Equations
Internal Stresses and Their Possible Omission in the Present Approximation
Reduction to Ordinary Differential Equations
The Two-Body Problem. Extension of the Elimination Principle to the General n-Body Case