@inproceedings{Schlottmann02,
   author = {Frank Schlottmann and Detlef Seese},
   title = {Hybrid multi-objective evolutionary computation of
   constrained downside risk-return efficient sets for credit portfolio},
   booktitle = {Proceedings of the 8th International Conference of the
   Society for Computational Economics. Computing in Economics and Finance},
   address = {Aix-en-Provence, France},
   month = {June},
   year = {2002}
}