@article{UFA_2015_7_4_a1,
     author = {N. N. Aitkuzhina and A. M. Gaisin},
     title = {Exactness of estimates for $k$th order of {Dirichlet} series in a~semi-strip},
     journal = {Ufa mathematical journal},
     pages = {15--23},
     year = {2015},
     volume = {7},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UFA_2015_7_4_a1/}
}