Nikolai I. Lobachevsky, The Foundations of Geometry: Works on Non-Euclidean Geometry
(Minkowski Institute Press, Montreal)
ISBN: 978-1-927763-25-4 (ebook) - $7.00
ISBN: 978-1-927763-24-7 (softcover) - $15
Foreword by Ivan A. Karpenko.
Translated from the Russian by Svetla Petkova. Edited (with an Introduction) by V. Petkov.
Published on 2 October 2019
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