@article{AA_1992_4_2_a8,
     author = {A. L. Smirnov},
     title = {Hurwitz inequalities for number fields},
     journal = {Algebra i analiz},
     pages = {186--209},
     publisher = {mathdoc},
     volume = {4},
     number = {2},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1992_4_2_a8/}
}