VASILEVA, Yu. V.; PLAKSA, S. A. Piecewise-continuous Riemann boundary-value problem on a rectifiable curve. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 58, n. 5, p. 616–628, 2006. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3480. Acesso em: 6 dec. 2025.