@article{1256051009, author = {Turner, Edward C.}, title = {Nilpotent diffeomorphism groups}, journal = {Illinois J. Math.}, volume = {18}, number = {4}, year = {1974}, pages = { 585-588}, language = {en}, url = {http://dml.mathdoc.fr/item/1256051009} }
Turner, Edward C. Nilpotent diffeomorphism groups. Illinois J. Math., Tome 18 (1974) no. 4, pp. 585-588. http://gdmltest.u-ga.fr/item/1256051009/