Spectral geometry and scattering theory for certain complete surfaces of finite volume. Werner Müller — 1992 Inventiones mathematicae
Relative determinants of elliptic operators and scattering theory Werner Müller — 1996 Journées équations aux dérivées partielles
Another View on Optimal Design for Estimating the Point of Extremum in Quadratic Regression. Valéry V. Fedorov; Werner G. Müller — 1997 Metrika