A boundary element method for the Dirichlet eigenvalue problem of the Laplace operator. - Olaf Steinbach; G. Unger (Numerische Mathematik, 2009)

Convergence Analysis of a Galerkin Boundary Element Method for the Dirichlet Laplacian Eigenvalue Problem. - Olaf Steinbach; G. Unger (SIAM J. Numer. Anal., 2012)

Coupled Finite And Boundary Element Methods for Fluid-Solid Interaction Eigenvalue Problems. - A. Kimeswenger; Olaf Steinbach; G. Unger (SIAM J. Numer. Anal., 2014)