Eigenvalues of Non-Linear Problems: Lectures Given at a Summer School of the Centro Internazionale Matematico Estivo (C.I.M.E.), Held in Varenna (Como), Italy, June 16-25, 1974 (CIME Summer Schools, Vol. 67)

H. Amann: Nonlinear eigenvalue problems in ordered Banach spaces. - P.C. Fife: Branching phenomena in fluid dynamics and chemical reaction-diffusion theory. - W. Klingenberg: The theory of closed geodesics. - P. Rabinowitz: Variational methods for nonlinear eigenvalue problems. - M. Reeken: Existence of solutions to the Hartree-Fock equations. - R. Turner: Positive solutions of nonlinear eigenvalue problems.