@article{JDM_1926__34_145717,
     author = {H. Behnke},
     title = {Zur {Theorie} der diophantischen {Approximationen.}},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {177--181},
     publisher = {mathdoc},
     volume = {34},
     year = {1926},
     zbl = {51.0159.01},
     url = {http://geodesic.mathdoc.fr/item/JDM_1926__34_145717/}
}