Voir la notice de l'article provenant de la source European Digital Mathematics Library
@misc{RCM_1969__3_252012, title = {[unknown]}, journal = {Revista colombiana de matematicas}, pages = {23--24}, publisher = {mathdoc}, volume = {3}, year = {1969}, url = {http://geodesic.mathdoc.fr/item/RCM_1969__3_252012/} }
[unknown]. Revista colombiana de matematicas, Tome 3 (1969), pp. 23-24. http://geodesic.mathdoc.fr/item/RCM_1969__3_252012/