Works
- Kagan V.F.(ed.): N.I.Lobachevsky - Complete Collected Works, Vols I-IV (Russian), Moscow-Leningrad (GITTL) 1946-51
- Vol.I Geometrical investigations on the theory of parallel lines; On the foundations of geometry (1829–30).
- Vol.II New foundations of geometry with a complete theory of parallels. (1835–38)
- Vol.III Imaginary geometry (1835); Application of imaginary geometry to certain integrals (1836); Pangeometry (1856).
- Vol.IV Works on other subjects.
- English translations
- Geometrical investigations on the theory of parallel lines. Halstead G.N.(tr) 1891. Reprinted in Bonola: NonEuclidean Geometry 1912, Dover reprint 1955.
- Pangeometry. D.E. Smith: Source Book of Mathematics. McGraw Hill. Dover reprint
- Nikolai I. Lobachevsky, Pangeometry, Translator and Editor: A. Papadopoulos, Heritage of European Mathematics Series, Vol. 4, European Mathematical Society, 2010.
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