Smarandache, Florentin, and C˘at˘alin Barbu. “THE HYPERBOLIC MENELAUS THEOREM IN THE POINCAR E DISC MODEL OF HYPERBOLIC GEOMETRY”. Italian Journal of Pure and Applied Mathematics 30 (May 24, 2013): 67–72. Accessed July 26, 2026. https://journals.uniurb.it/index.php/ijpam/article/view/6115.