KAHLIG, Peter; SCHWAIGER, Jens. Transforming the functional equation of Gołąb-Schinzel into one of Cauchy. Annales Mathematicae Silesianae, [S. l.], v. 8, p. 33–38, 1994. Disponível em: https://journals.us.edu.pl/index.php/AMSIL/article/view/14215. Acesso em: 5 dec. 2025.