Matkowski, Janusz. “Corrigendum to "A Functional Equation Characterizing Homographic functions’’ [Annales Mathematicae Silesianae 24 (2010), 61–70]”. Annales Mathematicae Silesianae 25 (September 30, 2011): 101–102. Accessed December 5, 2025. https://journals.us.edu.pl/index.php/AMSIL/article/view/14024.