@article{MOMA_1952__56_176896,
     author = {L. Schmetterer},
     title = {Notiz zu einem {Satz} \"uber {Diophantische} {Approximationen.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {253--255},
     publisher = {mathdoc},
     volume = {56},
     year = {1952},
     zbl = {0047.05203},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1952__56_176896/}
}