@article{AA_2003_15_6_a1,
     author = {Yu. L. Ershov},
     title = {Local theory of class fields},
     journal = {Algebra i analiz},
     pages = {35--47},
     publisher = {mathdoc},
     volume = {15},
     number = {6},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2003_15_6_a1/}
}