Linearized stability for hyperbolic evolution equations with semilinear boundary conditions. Günther Greiner — 1989 Semigroup forum
Spectral Properties and Asypmtotic Behavior of the Linear Transport Equation. Günther Greiner — 1984 Mathematische Zeitschrift
Zur Perron-Frobenius-Theorie stark stetiger Halbgruppen. Günther Greiner — 1981 Mathematische Zeitschrift