@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},
     year = {1997},
     volume = {488},
     zbl = {1042.14500},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1997__488_153923/}
}