@article{RMI_2005_2005_1_a31, author = {Bonfiglioli, Andrea and Uguzzoni, Francesco}, title = {Una nota sobre la elevaci\'on de grupos de {Carnot.}}, journal = {Revista matem\'atica iberoamericana}, pages = {1013-1035}, publisher = {mathdoc}, volume = {21}, number = {3}, year = {2005}, language = {en}, url = {http://geodesic.mathdoc.fr/item/RMI_2005_2005_1_a31/} }