Kašuba, Romualdas, and Edmundas Mazėtis. “About Simple Philosophy of Solving Even Simpler Yet Interesting Geometry Problems”. Lietuvos matematikos rinkinys 60, no. B (December 5, 2019): 20–27. Accessed November 21, 2024. https://journals.vu.lt./LMR/article/view/15230.