On discretizations of bifurcation problems
In: Bifurcation problems and their numerical solution: Workshop on Bifurcation Problems and Their Numerical Solution Dortmund, January 15 - 17, 1980, Jg. 54, S. 46-731980
Organizing centers for discrete reaction diffusion models
In: Numerical methods for bifurcation problems: proceedings of the conference at the University of Dortmund, August 22 - 26, 1983, Jg. 70, S. 57-671984