 | triangle et polygone" [Plane areas, triangle and polygon], La géométrie non Euclidienne [Non-Euclidean Geometry] (in French), Scientia, pp. 50–55 Frenkel, Elena;... 70 KB (9,226 words) - 23:11, 5 April 2024 |
| triangle et polygone" [Plane areas, triangle and polygon], La géométrie non Euclidienne [Non-Euclidean Geometry] (in French), Scientia, pp. 50–55 Frenkel, Elena;... 70 KB (9,226 words) - 23:11, 5 April 2024 |