Numerical methods and applications of eigenvalue problems and bifurcation problems. Extracts from the proceedings of the conference on numerical methods and applications of eigenvalue problems and bifurcation problems, held on 14th to 2th November 1976 in the Mathematical Research Institute, Oberwolfach (Black Forest)). (Internat. Ser. Numer, Math., Vol. 38: E. Bohl, L. Collatz and K. P. Hadeler, Editors. 218 p. Birkhäuser Verlag, Basel, 1977