@article{MZM_1978_23_4_a1,
     author = {I. V. Elistratov},
     title = {Estimates of remainder terms in the theory of perturbed {Dirichlet} characters},
     journal = {Matemati\v{c}eskie zametki},
     pages = {505--514},
     publisher = {mathdoc},
     volume = {23},
     number = {4},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1978_23_4_a1/}
}