BRANTLEY, R.; HENDERSON, J. SOME ANALOGUES OF A THEOREM OF PEANO FOR BOUNDARY VALUE PROBLEM. Tamkang Journal of Mathematics, [S. l.], v. 22, n. 1, p. 83–98, 1991. DOI: 10.5556/j.tkjm.22.1991.4577. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4577. Acesso em: 26 apr. 2024.