@conference {D1993,
	title = {Un m{\'e}canisme de coop{\'e}ration entre agents: le dialogue},
	booktitle = {Analyse de Syst{\`e}mes},
	volume = {19},
	year = {1993},
	month = {mar},
	pages = {93-119},
	author = {D. Rousseau}
}
