Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{GMJ_2002__9_4_50442, author = {Garz\'on, A.R. and del R{\'\i}o, A.}, title = {The {Whitehead} categorical group of derivations.}, journal = {Georgian Mathematical Journal}, pages = {709--721}, publisher = {mathdoc}, volume = {9}, number = {4}, year = {2002}, zbl = {1027.18004}, language = {en}, url = {http://geodesic.mathdoc.fr/item/GMJ_2002__9_4_50442/} }
Garzón, A.R.; del Río, A. The Whitehead categorical group of derivations.. Georgian Mathematical Journal, Tome 9 (2002) no. 4, pp. 709-721. http://geodesic.mathdoc.fr/item/GMJ_2002__9_4_50442/