@article{MAN_1913__74_158629,
     author = {G. P\'olya},
     title = {Berechnung eines bestimmten {Integrals}},
     journal = {Mathematische Annalen},
     pages = {204--212},
     year = {1913},
     volume = {74},
     zbl = {44.0357.02},
     url = {http://geodesic.mathdoc.fr/item/MAN_1913__74_158629/}
}