Voir la notice de l'article provenant de la source Sociedad Colombiana de Matemáticas
@misc{RCM_2008_42_2_a3, title = {On groups and normal polymorphic functions}, journal = {Revista colombiana de matematicas}, pages = {167--181}, publisher = {mathdoc}, volume = {42}, number = {2}, year = {2008}, url = {http://geodesic.mathdoc.fr/item/RCM_2008_42_2_a3/} }
On groups and normal polymorphic functions. Revista colombiana de matematicas, Tome 42 (2008) no. 2, pp. 167-181. http://geodesic.mathdoc.fr/item/RCM_2008_42_2_a3/