@article{JRAM_1997__488_153923, author = {Xiatao Sun}, title = {Ramifications on arithmetic schemes.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {37--54}, publisher = {mathdoc}, volume = {488}, year = {1997}, zbl = {1042.14500}, url = {http://geodesic.mathdoc.fr/item/JRAM_1997__488_153923/} }