SZÉKELYHIDI, L. How To Solve Convolution–Type Functional Equations?. Annals of Mathematics and Physics, [S. l.], p. 160–165, 2025. DOI: 10.17352/amp.000160. Disponível em: https://www.mathematicsgroup.com/amp/article/view/AMP-8-260. Acesso em: 11 oct. 2025.