@article{SM_2003_194_2_a1,
     author = {Yu. L. Ershov},
     title = {Abstract class field theory (a~finitary approach)},
     journal = {Sbornik. Mathematics},
     pages = {199--223},
     publisher = {mathdoc},
     volume = {194},
     number = {2},
     year = {2003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2003_194_2_a1/}
}