@article{SM_2003_194_12_a0,
     author = {I. B. Zhukov},
     title = {On ramification theory in the~imperfect residue field case},
     journal = {Sbornik. Mathematics},
     pages = {1747--1774},
     publisher = {mathdoc},
     volume = {194},
     number = {12},
     year = {2003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2003_194_12_a0/}
}