@article{UFA_2013_5_3_a0,
     author = {N. N. Aitkuzhina and A. M. Gaisin},
     title = {Dirichlet series with real coefficients},
     journal = {Ufa mathematical journal},
     pages = {3--10},
     publisher = {mathdoc},
     volume = {5},
     number = {3},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UFA_2013_5_3_a0/}
}