@article{SM_1990_67_1_a17,
     author = {Yu. V. Kuz'min},
     title = {On some properties of free {Abelian} extensions},
     journal = {Sbornik. Mathematics},
     pages = {303--315},
     publisher = {mathdoc},
     volume = {67},
     number = {1},
     year = {1990},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1990_67_1_a17/}
}