ZELINKA, B. A Remark on Dot-Compositions of Graphs. The Journal of the Indian Mathematical Society, [S. l.], v. 38, n. 1-4, p. 221–225, 1974. Disponível em: http://informaticsjournals.com/index.php/jims/article/view/16695. Acesso em: 1 may. 2024.