ISMET CINAR; ISMET KARACA. Some new results on the connected sum of certain digital surfaces. Malaya Journal of Matematik, India, v. 7, n. 02, p. 318–325, 2019. DOI: 10.26637/MJM0702/0027. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/716. Acesso em: 16 jul. 2024.