@article{MAN_1931__104_159482,
     author = {St. Pietrkowski},
     title = {Theorie der unendlichen {Abelschen} {Gruppen}},
     journal = {Mathematische Annalen},
     pages = {535--569},
     publisher = {mathdoc},
     volume = {104},
     year = {1931},
     zbl = {0001.20002},
     url = {http://geodesic.mathdoc.fr/item/MAN_1931__104_159482/}
}