SHAPEEV, V. P. .; BRYNDIN, L. S. .; BELYAEV, V. A. Numerical solution of an elliptic problem with several interfaces. Numerical Methods and Programming (Vychislitel’nye Metody i Programmirovanie), [S. l.], v. 23, n. 73, p. 172–190, 2022. DOI: 10.26089/NumMet.v23r311. Disponível em: https://en.num-meth.ru/index.php/journal/article/view/1226. Acesso em: 27 apr. 2024.