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Elementary Survey of Celestial Mechanics
by Ryabov, Y., Yankovsky, G.
ISBN: 9780486450148
List Price: $11.95
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Asymptotic Methods in Resonance Analytical Dynamics
by Grebenikov, Eugeniu, Ryabov...
ISBN: 9780415310086
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Elementary Survey of Celestial Mechanics
by Ryabov, Y., Yankovsky, G.
ISBN: 9781258015947
List Price: $41.95