by Grigor A. Gurzadyan
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Physics and Dynamics of Planetary Nebula...
Paradigms of the Large-Scale Universe
Space Dynamics
Philosophiae naturalis principia mathema...
Les méthodes nouvelles de la mécanique c...
Centrifugal force and gravitation
Astronomy explained upon Sir Isaac Newto...
Oeuvres de D'Alembert
An Introduction to Celestial Mechanics