Biorthogonal wavelet approximation for the coupling of FEM-BEM. - Helmut Harbrecht; Freddy Paiva; Cristian Pérez; Reinhold Schneider (Numerische Mathematik, 2002)

Multiscale preconditioning for the coupling of FEM-BEM. - Helmut Harbrecht; Freddy Paiva; Cristian Pérez; Reinhold Schneider (Numer. Linear Algebra Appl., 2003)

A wavelet-based stabilization of the mixed finite element method with Lagrange multipliers. - Tomás P. Barrios; Gabriel N. Gatica; Freddy Paiva (Appl. Math. Lett., 2006)