Oliveira, Fernanda Aragão (ed.) et al., 1st meeting on Numerical methods for partial differential equations. Coimbra, Portugal, September 25–27, 1995. Coimbra: Departamento de Matemática de Universidade de Coimbra, Textos Mat., Sér. B. 11, 97-109 (1997).
Gritzmann, Peter (ed.) et al., Recent advances in optimization. Proceedings of the 8th French-German conference on Optimization. Trier, Germany, July 21–26, 1996. Berlin: Springer. Lect. Notes Econ. Math. Syst. 452, 138-153 (1997).