Voir la notice de l'article provenant de la source Numdam
@article{CG_1991___12_78_0, author = {Andr\'e, Jacques}, title = {Lu, vu ou entendu}, journal = {Cahiers GUTenberg}, pages = {78--83}, publisher = {Association GUTenberg}, number = {12}, year = {1991}, language = {fr}, url = {http://geodesic.mathdoc.fr/item/CG_1991___12_78_0/} }
André, Jacques. Lu, vu ou entendu. Cahiers GUTenberg, no. 12 (1991), pp. 78-83. http://geodesic.mathdoc.fr/item/CG_1991___12_78_0/