BARON, Karol. On the continuous dependence of solutions to orthogonal additivity problem on given functions. Annales Mathematicae Silesianae, [S. l.], v. 29, p. 19–23, 2015. Disponível em: https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/13974. Acesso em: 8 may. 2025.