PLAKSA, S. A. Differentiation of Singular Integrals with Piecewise-Continuous Density and Boundary Values of Derivatives of a Cauchy-Type Integral. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 57, n. 2, p. 222–229, 2005. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3589. Acesso em: 6 dec. 2025.