@article{SM_1968_5_3_a6,
     author = {V. I. Myshkin},
     title = {Countable {Abelian} groups of rank 1},
     journal = {Sbornik. Mathematics},
     pages = {417--428},
     year = {1968},
     volume = {5},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1968_5_3_a6/}
}