EL-SHEIKH, M. G.; GAVDZINSKI, V. N.; RADWAN, A. E. On the solutions of mixed plane problems that are unbounded where the boundary conditions change. Tamkang Journal of Mathematics, [S. l.], v. 32, n. 3, p. 173–180, 2001. DOI: 10.5556/j.tkjm.32.2001.372. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/372. Acesso em: 29 apr. 2024.