@InProceedings{BKM08c,
author={Ramzi  Ben Larbi and Sébastien  Konieczny and Pierre  Marquis},
title= {A Characterization of an optimality criterion for decision making under complete ignorance},
booktitle = {Twelfth International Workshop on Non-Monotonic Reasoning (NMR'08)} ,
year= {2008}
}