@article{MZ_1919__5_167536,
     author = {E., Hilb},
     title = {\"Uber die {Laplacesche} {Reihe}},
     journal = {Mathematische Zeitschrift},
     pages = {17--25},
     year = {1919},
     volume = {5},
     zbl = {47.0337.01},
     url = {http://geodesic.mathdoc.fr/item/MZ_1919__5_167536/}
}