@article{MAN_1902__55_158044,
     author = {Helge von Koch},
     title = {Ueber die {Riemann'sche} {Primzahlfunction.}},
     journal = {Mathematische Annalen},
     pages = {441--464},
     publisher = {mathdoc},
     volume = {55},
     year = {1902},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1902__55_158044/}
}