1. Sobolev Spaces;Adams,2003
2. W. Arendt, R. Mazzeo, Spectral properties of the Dirichlet-to-Neumann operator on Lipschitz domains, preprint, Ulmer Seminare über Funktionalanalysis und Differentialgleichungen, Heft 12, 2007
3. Dirichlet and Neumann boundary conditions: What is in between?;Arendt;J. Evol. Equ.,2003
4. The Laplacian with Robin boundary conditions on arbitrary domains;Arendt;Potential Anal.,2003
5. Inequalities for the Dirichlet and Neumann eigenvalues of the Laplacian for domains on spheres;Ashbaugh,1997