%0 Journal Article %A Gervais, Jean-Jacques %T Deformations G-Verselles Et G-Stables %J Canadian journal of mathematics %D 1984 %P 9-21 %V 36 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1984-002-9/ %R 10.4153/CJM-1984-002-9 %F 10_4153_CJM_1984_002_9