• Thumbnail for Horosphere
    (N − 1)-dimensional hypercycle. Roberto Bonola (1906), Non-Euclidean Geometry, translated by H.S. Carslaw, Dover, 1955; p. 63 Roberto Bonola (1906), Non-Euclidean...
    3 KB (381 words) - 17:01, 28 June 2022
  • Thumbnail for Giordano Vitale
    "Euclides Vindicatus", p.ix, The Open Court Publishing Company, Chicago] [Roberto Bonola (1912), "Non-Euclidean Geometry", p.15, The Open Court Publishing Company...
    6 KB (751 words) - 04:58, 14 August 2023
  • Commons Wikiquote has quotations related to Non-Euclidean geometry. Roberto Bonola (1912) Non-Euclidean Geometry, Open Court, Chicago. MacTutor Archive...
    44 KB (6,022 words) - 02:49, 28 May 2024
  • Thumbnail for Nikolai Lobachevsky
    on the Theory of Parallels. G. B. Halsted (tr.). 1891. Reprinted in Roberto Bonola: Non-Euclidean Geometry: A Critical and Historical Study of its Development...
    21 KB (2,304 words) - 12:00, 27 February 2024
  • Thumbnail for Giovanni Girolamo Saccheri
    («Logica Demonstrativa» 1697)". Rivista Filosofica. 4 (VI): 528–540. Roberto Bonola (1912) Non-Euclidean Geometry, Open Court, Chicago. English translation...
    13 KB (1,243 words) - 00:04, 26 April 2024
  • Thumbnail for Angle of parallelism
    {2e^{a}}{e^{2a}-1}}={\frac {1}{\sinh a}}.} "Non-Euclidean Geometry" by Roberto Bonola, page 104, Dover Publications. Nikolai Lobachevsky (1840) G. B. Halsted...
    7 KB (1,075 words) - 01:42, 4 April 2024
  • Thumbnail for Heinrich Liebmann
    Darstellung ihrer Entwicklung. Berlin 1908, 1912, 1923 (zusammen mit Roberto Bonola) Synthetische Geometrie. Leipzig 1934 Nichteuklidische Geometrie. Leipzig...
    8 KB (710 words) - 18:29, 20 January 2024
  • Thumbnail for Ideal point
    "274 Curves on Surfaces, Lecture 5" (PDF). Retrieved 23 July 2013. Bonola, Roberto (1955). Non-Euclidean geometry : a critical and historical study of...
    7 KB (878 words) - 07:29, 8 May 2024
  • Thumbnail for Hyperbolic geometry
    ISBN 0-19-875057-9. Torretti, Roberto (1978). Philosophy of Geometry from Riemann to Poincare. Dordrecht Holland: Reidel. p. 255. Bonola, Roberto (1955). Non-Euclidean...
    56 KB (6,945 words) - 19:31, 25 May 2024
  • Thumbnail for Quarto Oggiaro
    The bus lines enter into the district: bus line 40 (Niguarda Parco Nord – Bonola M1) goes from the bridge of Via Palizzi to Quartiere Vialba and returns...
    18 KB (2,229 words) - 14:24, 25 August 2023
  • Thumbnail for 2021 Mexican local elections
    México". EL PAÍS (in Mexican Spanish). Retrieved June 10, 2021. Garduño, Roberto; Vargas, Rosa Elvira (March 1, 2021). "La Jornada - Apoyan 25 gobernadores...
    104 KB (3,557 words) - 19:51, 6 May 2024
  • Thumbnail for Differential geometry of surfaces
    Nonlinearity and Functional Analysis, Academic Press, ISBN 978-0-12-090350-4 Bonola, Roberto; Carslaw, H. S.; Enriques, F. (1955), Non-Euclidean Geometry: A Critical...
    128 KB (17,463 words) - 22:25, 23 May 2024