LAWSON J.D.; THOMAS S.J.; ZAHAR R.V.M. Weighted quadrature in Krylov methods. Utilitas Mathematica , [S. l.], v. 51, 1997. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/64. Acesso em: 8 may. 2026.