The periods of the Volterra-Lotka system. Franz Rothe — 1984 Journal für die reine und angewandte Mathematik
An analogue to the Smale-Birkhoff homoclinic theorem for iterated entire mappings. (Summary). Franz Rothe — 1994 Aequationes mathematicae
An analogue to the Smale-Birkhoff homoclinic theorem for iterated entire mappings. Franz Rothe — 1994 Aequationes mathematicae