Kirjackis, Jevgenijus, Edmundas Mazėtis, and Grigorijus Melničenko. “On the Problem of the Existence and Uniqueness of Right Triangles”. Lietuvos matematikos rinkinys 58, no. B (December 20, 2017): 33–38. Accessed May 26, 2024. https://www.journals.vu.lt/LMR/article/view/17757.