@article{10_21136_CMJ_1993_128387,
     author = {Bukovsk\'a, Z. and \v{S}al\'at, T.},
     title = {Topological results on sequences $\{n_k x\}^\infty_{k=1}$ and their applications in the theory of trigonometric series},
     journal = {Czechoslovak Mathematical Journal},
     pages = {115--123},
     publisher = {mathdoc},
     volume = {43},
     number = {1},
     year = {1993},
     doi = {10.21136/CMJ.1993.128387},
     mrnumber = {1205235},
     zbl = {0924.40006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1993.128387/}
}