Voir la notice de l'article provenant de la source Numdam
@misc{CG_1989___2_2_0, title = {Excuses...}, journal = {Cahiers GUTenberg}, pages = {2--2}, publisher = {Association GUTenberg}, number = {2}, year = {1989}, language = {fr}, url = {http://geodesic.mathdoc.fr/item/CG_1989___2_2_0/} }
Excuses.... Cahiers GUTenberg, no. 2 (1989), p. 2. http://geodesic.mathdoc.fr/item/CG_1989___2_2_0/