@article{SM_1987_56_1_a3,
     author = {S. A. Chobanyan},
     title = {Structure of the set of sums of a~conditionally convergent series in a~normed space},
     journal = {Sbornik. Mathematics},
     pages = {49--62},
     year = {1987},
     volume = {56},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1987_56_1_a3/}
}