CLAPPERTON, JAMES A.; LARCOMBE, PETER J.; FENNESSEY, ERIC J. Some new identities for Catalan polynomials. Utilitas Mathematica , [S. l.], v. 80, 2009. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/601. Acesso em: 8 may. 2026.