@article{JRAM_1872__74_148178,
     author = {H.A. Schwarz},
     title = {Zur {Integration} der partiellen {Differentialgleichung} ... .},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {218--253},
     publisher = {mathdoc},
     volume = {74},
     year = {1872},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1872__74_148178/}
}