@article{10_4171_dm_172,
     author = {Adriano Marmora},
     title = {Irregularity and $p$-adic {Swan} conductor},
     journal = {Documenta mathematica},
     pages = {413--433},
     year = {2004},
     volume = {9},
     doi = {10.4171/dm/172},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/172/}
}