@article{DAN_1966_171_2_a9,
     author = {A. F. Lavrik},
     title = {Functional equations of the {Dirichlet} functions},
     journal = {Doklady Akademii Nauk},
     pages = {278--280},
     publisher = {mathdoc},
     volume = {171},
     number = {2},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_171_2_a9/}
}