1. Alt, W.: The Lagrange-Newton method for infinite-dimensional optimization problems. Numer. Funct. Anal. and Optimization 11 (1990), 201–224.
2. Alt, W.: Sequential quadratic programming in Banach spaces. In W. Oettli and D. Pallaschke, editors, Advances in Optimization, number 382 in Lecture Notes in Economics and Mathematical Systems, 281–301. Springer Verlag, 1992.
3. Alt, W. and K. Malanowski: The Lagrange-Newton method for nonlinear optimal control problems. Computational Optimization and Applications, 2 (1993), 77–100.
4. Alt,W., Sontag, R., and F. Tröltzsch: An SQP method for optimal control of weakly singular Hammerstein integral equations. DFG-Schwerpunktprogramm “Anwendungsbezogene Optimierung und Steuerung ”, Report No. 423 (1993), to appear in Appl. Math. Optimization.
5. Amann, H.: Parabolic evolution equations with nonlinear boundary conditions. In F.E. Browder, editor, Nonlinear Functional Analysis Proc. Sympos. Pure Math., Vol. 45, Part I, 17–27, 1986.