USUBJONOVICH, Nasriddinov Otadavlat. The Internal Boundary Issue Posed for the Laplace Equation in the Circular Sector is. Miasto Przyszłości, [S. l.], v. 54, p. 587–591, 2024. Disponível em: https://miastoprzyszlosci.com.pl/index.php/mp/article/view/5270. Acesso em: 7 aug. 2025.