Etale cohomology of rigid analytic varieties and adic spaces. - Vieweg Verlag, 1996. - (Aspects of Mathematics).
Hypergeometric functions, my love. Modular interpretations of configuration spaces. - Vieweg Verlag, 1997. - (Aspects of Mathematics; 32).
Ball and surface arithmetics. - Vieweg Verlag, 1998. - (Aspects of Mathematics; 29).
Lectures on nonlinear evolution equations : initial value problems. - Vieweg Verlag, 1992. - (Aspects of Mathematics; 19).
Conjectures in arithmetic algebraic geometry. - Vieweg Verlag, 1992. - (Aspects of Mathematics; 18).
From Gauss to Painlevé. A modern theory of special functions. - Vieweg Verlag, 1991. - (Aspects of Mathematics; 16).
Capacities in complex analysis. - Vieweg Verlag, 1988. - (Aspects of Mathematics; 14).
Fuchsian differential equations: with special emphasis on the Gauss-Schwarz theory. A publications of the Max-Planck-Institute für Mathematik, Bonn. - Vieweg Verlag, 1987. - (Aspects of Mathematics; 11).
Rational points. Seminar Bonn wuppertal 1983/84. - Vieweg Verlag, 1984. - (Aspects of Mathematics; 6).
Introduction to the geometry of foliations, part B: foliations of codimension one. 2nd ed.. - Vieweg & Sohn, 1987. - (Aspects of Mathematics; 3).
Introduction to the geometry of foliations, part A: foliations on compact surfaces, fundamentals for arbitrary codimension, and holonomy. 2nd ed.. - Vieweg & Sohn, 1986. - (Aspects of Mathematics; 1).