@article{MZ_1981__178_173095, author = {Claude Lemaire}, title = {P-equivalence de groupes nilpotents.}, journal = {Mathematische Zeitschrift}, pages = {163--174}, publisher = {mathdoc}, volume = {178}, year = {1981}, zbl = {0451.20031}, url = {http://geodesic.mathdoc.fr/item/MZ_1981__178_173095/} }