Voir la notice de l'article provenant de la source Numdam
@article{CM_1989__71_3_247_0, author = {Buium, A.}, title = {Birational moduli and nonabelian cohomology, {II}}, journal = {Compositio Mathematica}, pages = {247--263}, publisher = {Kluwer Academic Publishers}, volume = {71}, number = {3}, year = {1989}, mrnumber = {1022044}, zbl = {0719.14004}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CM_1989__71_3_247_0/} }
Buium, A. Birational moduli and nonabelian cohomology, II. Compositio Mathematica, Tome 71 (1989) no. 3, pp. 247-263. http://geodesic.mathdoc.fr/item/CM_1989__71_3_247_0/