Voir la notice de l'article provenant de la source Heldermann Verlag
@article{JLT_1999_9_2_a3, author = {H. Abels}, title = {Discrete {Groups} of {Affine} {Isometries}}, journal = {Journal of Lie theory}, pages = {321--35}, publisher = {mathdoc}, volume = {9}, number = {2}, year = {1999}, url = {http://geodesic.mathdoc.fr/item/JLT_1999_9_2_a3/} }
H. Abels. Discrete Groups of Affine Isometries. Journal of Lie theory, Tome 9 (1999) no. 2, pp. 321-35. http://geodesic.mathdoc.fr/item/JLT_1999_9_2_a3/