LARCOMBE, PETER J.; FRENCH, DAVID R.; GESSEL, IRA M. On the Identity of von Szily: Original Derivation and a New Proof. Utilitas Mathematica , [S. l.], v. 64, 2003. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/282. Acesso em: 9 jul. 2026.