@article{MAN_1967__174_161624,
     author = {K.F. ROTH},
     title = {Irregularities of  {Sequences} {Relative} to {Arithmetic} {Progressions.} {II.}},
     journal = {Mathematische Annalen},
     pages = {41--52},
     publisher = {mathdoc},
     volume = {174},
     year = {1967},
     zbl = {0166.05005},
     url = {http://geodesic.mathdoc.fr/item/MAN_1967__174_161624/}
}