The Geometer Lobachevsky
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The Foundations of Geometry: Works on Non-Euclidean Geometry
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Geometrical Researches on the Theory of Parallels
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Nikolai I. Lobachevsky, Pangeometry (Heritage of European Mathematics)
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Relativity in three dimensional Lobachevsky space
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Lobachevsky Geometry and Modern Nonlinear Problems
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from $92.37
Nikolai Lobachevsky by Rajesh Thakur
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Exploring Dimensions: Geometry and Topology Unveiled
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From Lobachevsky-Beltrami-Fok space to Schwinger gravity and cosmology
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The Fifth Postulate: How Unraveling A Two Thousand Year Old Mystery Unraveled the Universe
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