KOCLĘGA-KULPA, Barbara; SZOSTOK, Tomasz. On a functional equation connected to Gauss quadrature rule. Annales Mathematicae Silesianae, [S. l.], v. 22, p. 27–40, 2008. Disponível em: https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/14049. Acesso em: 7 may. 2025.