ON THE DIVISIBILITY OF ARCS WITH MULTIPLE POINTS. Annual of Sofia University St. Kliment Ohridski. Faculty of Mathematics and Informatics, [S. l.], v. 100, p. 21–26, 2011. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/243. Acesso em: 4 feb. 2026.