SHAPEEV, V.; BELYAEV, V. Solving the biharmonic equation with high order accuracy in irregular domains by the least squares collocation method. Numerical Methods and Programming (Vychislitel’nye Metody i Programmirovanie), [S. l.], v. 19, n. 58, p. 340–355, 2018. DOI: 10.26089/NumMet.v19r431. Disponível em: https://en.num-meth.ru/index.php/journal/article/view/978. Acesso em: 2 may. 2024.