A bifurcation result for Sturm-Liouville problems with a set-valued term. Hetzer, Georg — 1997 Electronic Journal of Differential Equations (EJDE) [electronic only]
Global existence, uniqueness, and continuous dependence for a reaction-diffusion equation with memory. Hetzer, Georg — 1996 Electronic Journal of Differential Equations (EJDE) [electronic only]
Asymptotic behavior of a weakly forced dry friction oscillator. Diaz, J.Ildefonso; Hetzer, Georg — 2007 Electronic Journal of Differential Equations (EJDE) [electronic only]
Effects of small spatial variation of the reproduction rate in a two species competition model. Hetzer, Georg; Nguyen, Tung; Shen, Wenxian — 2010 Electronic Journal of Differential Equations (EJDE) [electronic only]
Some applications of the coincidence degree for set-contractions to functional differential equations of neutral type Georg Hetzer — 1975 Commentationes Mathematicae Universitatis Carolinae
Der „Satz von der gleichmässigen Beschranktheit‟ für eine Klasse nichtlinearer Operatoren Georg Hetzer — 1973 Commentationes Mathematicae Universitatis Carolinae
On the existence of weak solutions for some quasilinear elliptic variational boundary value problems at resonance Georg Hetzer — 1976 Commentationes Mathematicae Universitatis Carolinae
Forced periodic oscillations in the climate system via an energy balance model Georg Hetzer — 1987 Commentationes Mathematicae Universitatis Carolinae