@article{JRAM_1989__396_153128,
     author = {Glyn Harman},
     title = {Metrical theorems on fractional parts of real sequences.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {192--211},
     publisher = {mathdoc},
     volume = {396},
     year = {1989},
     zbl = {0657.10055},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1989__396_153128/}
}