@article{ZNSL_2003_305_a3,
     author = {S. V. Vostokov and G. K. Pak},
     title = {Norm series in multidimensional local fields},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {60--83},
     publisher = {mathdoc},
     volume = {305},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2003_305_a3/}
}