@article{MZ_1921__9_167626,
     author = {F., Hausdorff},
     title = {Summationsmethoden und {Momentfolgen} {II.}},
     journal = {Mathematische Zeitschrift},
     pages = {280--299},
     year = {1921},
     volume = {9},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MZ_1921__9_167626/}
}