@INPROCEEDINGS{hkjm,
author = {Ahmed Hadj Kacem and Mohamed Jmaiel},
title = {Towards a formal definition of the cooperation among
Multi-Agent Systems},
booktitle = {Proceedings of the first IFAC Workshop on
Multi-Agent-Systems in production},
year = {1999},
address = {Vienna, Austria},
month = {December},
days = {2-4},
owner = {mohamed},
timestamp = {2009.11.03}
}