SHAPEEV, V.; BELYAEV, V. Solving boundary value problems for partial differential equations in triangular domains by the least squares collocation method. Numerical Methods and Programming (Vychislitel’nye Metody i Programmirovanie), [S. l.], v. 19, n. 55, p. 96–111, 2018. DOI: 10.26089/NumMet.v19r109. Disponível em: https://en.num-meth.ru/index.php/journal/article/view/956. Acesso em: 29 apr. 2024.