@article{JRAM_1895__115_148963,
     author = {Alf Guldberg},
     title = {Zur {Theorie} der {Differentialgleichungen,} die {Fundamentall\"osungen} besitzen.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {111--118},
     publisher = {mathdoc},
     volume = {115},
     year = {1895},
     zbl = {26.0365.02},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1895__115_148963/}
}