@article{10_1090_S0894_0347_2010_00681_9,
     author = {Kedlaya, Kiran},
     title = {Good formal structures for flat meromorphic connections, {II:} {Excellent} schemes},
     journal = {Journal of the American Mathematical Society},
     pages = {183--229},
     publisher = {mathdoc},
     volume = {24},
     number = {1},
     year = {2011},
     doi = {10.1090/S0894-0347-2010-00681-9},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-2010-00681-9/}
}