@article{JRAM_1904__127_149184,
     author = {A. Guldberg},
     title = {\"Uber {Differenzengleichungen,} die {Fundamentall\"osungen} besitzen.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {175--178},
     publisher = {mathdoc},
     volume = {127},
     year = {1904},
     zbl = {35.0350.01},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1904__127_149184/}
}