@article{MZ_1919__4_167519,
     author = {H., Gramer},
     title = {Studien \"uber die {Nullstellen} der {Biemannschen} {Zetafunktion}},
     journal = {Mathematische Zeitschrift},
     pages = {104--130},
     publisher = {mathdoc},
     volume = {4},
     year = {1919},
     url = {http://geodesic.mathdoc.fr/item/MZ_1919__4_167519/}
}