BANAS, J. Existence results for Volterra-Stieltjes quadratic integral equations on an unbounded interval. MATHEMATICA SCANDINAVICA, [S. l.], v. 98, n. 1, p. 143–160, 2006. DOI: 10.7146/math.scand.a-14988. Disponível em: https://www.mscand.dk/article/view/14988. Acesso em: 4 may. 2024.