1 Table of Contents: “... semiconductor models -- N. Jacob, A. Potrykus: Some partial differential and pseudodifferential operatos related...”

2 Table of Contents: “... Mixed-Partial Differential Equations of Higher order in the Unit Disc: New View -- Dirichlet Problems...”

3 Subjects: “...Partial Differential Equations...”

4 Table of Contents: “... -- Model of protosphera -- Pseudo-differential operators, equations, and elliptic boundary value problems...”

5 Table of Contents: “... Solutions to Coupled Systems of Semilinear Wave Equations -- Decay and Global Existence for Nonlinear Wave...”