@article{AIF_1994__44_2_465_0,
     author = {Berthier, Michel and Moussu, Robert},
     title = {R\'eversibilit\'e et classification des centres nilpotents},
     journal = {Annales de l'Institut Fourier},
     pages = {465--494},
     publisher = {Association des Annales de l{\textquoteright}institut Fourier},
     volume = {44},
     number = {2},
     year = {1994},
     doi = {10.5802/aif.1406},
     mrnumber = {95h:58103},
     zbl = {0803.34005},
     language = {fr},
     url = {http://www.numdam.org/articles/10.5802/aif.1406/}
}