@article{IM2_2010_74_3_a4,
     author = {A. Laurin\v{c}ikas},
     title = {Joint universality of zeta-functions with periodic coefficients},
     journal = {Izvestiya. Mathematics},
     pages = {515--539},
     year = {2010},
     volume = {74},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2010_74_3_a4/}
}