@article{MAN_1947__120_160142,
     author = {Hans-Heinrich Ostmann},
     title = {Untersuchungen \"uber den {Summenbegriff} in der additiven {Zahlentheorie}},
     journal = {Mathematische Annalen},
     pages = {165--196},
     year = {1947},
     volume = {120},
     zbl = {0030.01702},
     url = {http://geodesic.mathdoc.fr/item/MAN_1947__120_160142/}
}