@article{MZ_1926__24_175002,
     author = {K., und I. Knopp and , I. Schur},
     title = {Elementarer {Beweis} einiger asymptotischer {Formeln} der additiven {Zahlentheorie}},
     journal = {Mathematische Zeitschrift},
     pages = {559--574},
     publisher = {mathdoc},
     volume = {24},
     year = {1926},
     zbl = {51.0145.04},
     url = {http://geodesic.mathdoc.fr/item/MZ_1926__24_175002/}
}