ISAQOVICH, T. N. .; RIVOJIDINOVA, T. Z. . On An Ill-Posed Problem For of the Biharmonic Equation in the Hemisphere. Miasto Przyszłości, [S. l.], v. 54, p. 1145–1148, 2024. Disponível em: https://miastoprzyszlosci.com.pl/index.php/mp/article/view/5388. Acesso em: 10 mar. 2025.