GRYSHCHUK, S.; PLAKSA, S. A hypercomplex method for solving piecewise continuous biharmonic problem in domains with corner points. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 77, n. 11, p. 659–691, 2025. DOI: 10.3842/umzh.v77i11.9215. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/9215. Acesso em: 5 dec. 2025.