The Dirichlet Problem with L2-Boundary Data for Elliptic Linear Equations (Lecture Notes in Mathematics, 1482)
Transmission Problems for Elliptic Second-Order Equations in Non-Smooth Domains
Rand- und Eigenwertaufgaben in Sobolewschen Räumen
Partial Differential Equations IX Elliptic Boundary Value Problems
Polyharmonic Boundary Value Problems Positivity Preserving and Nonlinear Higher Order Elliptic Equations in Bounded Domains
General Parabolic Mixed Order Systems in Lp and Applications
Linear Partial Differential Operators (Grundlehren der mathematischen Wissenschaften, 116)
The Laplace Equation Boundary Value Problems on Bounded and Unbounded Lipschitz Domains
Abschätzungen für Differentialoperatoren im Halbraum (German Edition)
Parabolic Boundary Value Problems