SUBEDI, Bishnu Hari; SINGH, Ajaya. 3n+1 Problem and its Dynamics. Nepal Journal of Mathematical Sciences, [S. l.], v. 1, p. 43–50, 2020. DOI: 10.3126/njmathsci.v1i0.34159. Disponível em: https://www.nepjol.info/index.php/njmathsci/article/view/34159. Acesso em: 7 dec. 2025.