PROCHOROV, Nikolai P.; DUL, Ekaterina N. Graphs of intersections of closed polygonal chains. Journal of the Belarusian State University. Mathematics and Informatics, [S. l.], n. 1, p. 54–68, 2021. DOI: 10.33581/2520-6508-2021-1-54-68. Disponível em: https://journals.bsu.by/index.php/mathematics/article/view/3379. Acesso em: 19 jul. 2026.