@article{DAN_1970_190_6_a6,
     author = {A. F. Lavrik},
     title = {$L(1,\chi)$ with real {Dirichlet} character on sparse sets of values of the modulus of the character},
     journal = {Doklady Akademii Nauk},
     pages = {1286--1288},
     publisher = {mathdoc},
     volume = {190},
     number = {6},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_190_6_a6/}
}