@conference {lemoyne88enseigner,
	title = {Enseigner les math{\'e}matiques simples {\`a} l{\textquoteright}aide d{\textquoteright}acteurs directement manipulables},
	booktitle = {Premier Congr{\`e}s europ{\'e}en sur l{\textquoteright}intelligence artificielle et la formation},
	year = {1988},
	month = {oct},
	address = {Lille, France},
	author = {Lemoyne, G. and Senteni, A. and Guy Lapalme}
}
