Bilaketaren emaitzak

Introducción to mathematics nork Cooley, Hollis R, Wahlert, Howard E

Introduction élémentaire a la géométrie lobatschewskienne nork Turc, Albert

The elements of Non-Euclidean Geometry nork Sommerville, Duncan M'Laren Young

Noneuclidean Geometry nork Meschkowski, Herbert

Geometrical researches on the theory of parallels nork Lobachevski, Nicholas

Lectures on Hyperbolic Geometry nork Benedetti, Riccardo, Petronio, Carlo

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