@article{MZ_1929__30_168128,
     author = {N. Obreschkow},
     title = {\"Uber die absolute {Summierung} der {Dirichletschen} {Reihen}},
     journal = {Mathematische Zeitschrift},
     pages = {375--386},
     publisher = {mathdoc},
     volume = {30},
     year = {1929},
     zbl = {55.0201.01},
     url = {http://geodesic.mathdoc.fr/item/MZ_1929__30_168128/}
}