@article{MZM_2008_83_5_a0,
     author = {V. I. Danchenko},
     title = {Approximation {Properties} of {Sums} of the {Form} $\sum_k\lambda_kh(\lambda_k z)$},
     journal = {Matemati\v{c}eskie zametki},
     pages = {643--649},
     publisher = {mathdoc},
     volume = {83},
     number = {5},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2008_83_5_a0/}
}