Voir la notice de l'article provenant de la source European Digital Mathematics Library
@misc{RCM_1978__12_252015, title = {[unknown]}, journal = {Revista colombiana de matematicas}, pages = {74--74}, publisher = {mathdoc}, volume = {12}, year = {1978}, url = {http://geodesic.mathdoc.fr/item/RCM_1978__12_252015/} }
[unknown]. Revista colombiana de matematicas, Tome 12 (1978), p. 74. http://geodesic.mathdoc.fr/item/RCM_1978__12_252015/