TIAN, Y.; GE, W. Singular right focal boundary value problem with given maximal values. Tamkang Journal of Mathematics, [S. l.], v. 37, n. 4, p. 317–332, 2006. DOI: 10.5556/j.tkjm.37.2006.146. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/146. Acesso em: 28 mar. 2024.