@article{01184263, title = {Geometry of infinitesimal group schemes.}, journal = {Documenta Mathematica}, year = {1998}, pages = {55-65}, zbl = {1001.17020}, language = {en}, url = {http://dml.mathdoc.fr/item/01184263} }
Friedlander, Eric M. Geometry of infinitesimal group schemes.. Documenta Mathematica, (1998), pp. 55-65. http://gdmltest.u-ga.fr/item/01184263/