Title: Existenzsätze für nichtlineare elliptische Systeme
Subjects: Elliptic Differential equations, Existence theorems, Nonlinear Differential equations, Differential equations, Numerical solutions, Stability, Asymptotic expansions, Poincaré series, Fourier series, Almost periodic functions, Eisenstein series, Modular Forms, Dirichlet series, Functional equations, Analytic functions, Quaternions, Commutative algebra, Quadratic Forms, Algebraic fields, Quadratic Equations, Series, Cauchy problem, Wave equation, Chromosome replication, Genetic regulation, Congresses, Giant chromosomes, Line geometry, Field theory (Physics), Parabolic Differential equations, Music, Acoustics and physics, Convergence, Functions of several complex variables