MYDLARCZYK, W. Remarks on the Existence of Nontrivial Solutions for a Class of Volterra Equations with Smooth Kernels. MATHEMATICA SCANDINAVICA, [S. l.], v. 78, p. 286–292, 1996. DOI: 10.7146/math.scand.a-12590. Disponível em: https://www.mscand.dk/article/view/12590. Acesso em: 2 may. 2024.