@article{JDM_1906__15_145044,
     author = {Paul St\"ackel},
     title = {\"Uber {Potenzreihen} von mehreren {Ver\"anderlichen.}},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {576--585},
     publisher = {mathdoc},
     volume = {15},
     year = {1906},
     zbl = {37.0435.01},
     url = {http://geodesic.mathdoc.fr/item/JDM_1906__15_145044/}
}