1 Table of Contents: “... Functions -- Surfaces and Level Sets -- Systems of Ordinary Differential Equations...”

2 Subjects: “...Differential Equations...”

3 Table of Contents: “... and Exponential Functions -- 4.4 Some Differential Equations -- 4.5 Generalized Integrals -- 4.6 Summing Up -- 4.7...”

4 Subjects: “...Differential equations, Elliptic...”

5 Table of Contents: “... Equations -- Hilbert Spaces, Dirichlet’s Principle and Linear Compact Operators -- Some Applications...”

6 Table of Contents: “... -- 5.2 Solutions of Polynomial Equations -- 5.3 Rational Functions -- 5.4 Sinusoidal Functions...”

7 Table of Contents: “... and Canonical Transformations; Partial Differential Equations of First Order and Contact Transformations...”

8 Table of Contents: “...Preface -- Spaces of Summable Functions and Partial Differential Equations -- Convex Sets...”