NATH, Prem; SINGH, Dhiraj Kumar. On the general and measurable solutions of some functional equations. Annales Mathematicae Silesianae, [S. l.], v. 32, p. 285–294, 2017. Disponível em: https://journals.us.edu.pl/index.php/AMSIL/article/view/13927. Acesso em: 5 dec. 2025.