@article{10_4064_aa_8_4_357_430,
     author = {W. Haneke},
     title = {Versch\"arfung der {Absch\"atzung} von \ensuremath{\xi}({\textonehalf}+it)},
     journal = {Acta Arithmetica},
     pages = {357--430},
     publisher = {mathdoc},
     volume = {8},
     number = {4},
     year = {1962},
     doi = {10.4064/aa-8-4-357-430},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-8-4-357-430/}
}