@article{JRAM_1898__119_149052,
     author = {L. Saalsch\"utz},
     title = {Ueber rationale {Aufl\"osungen} der {Functionalgleichung} ... .},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {291--312},
     publisher = {mathdoc},
     volume = {119},
     year = {1898},
     zbl = {29.0295.01},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1898__119_149052/}
}