@article{JRAM_1958__200_150379,
     author = {Werner Schmeidler},
     title = {Variationsrechnung und {Integralgleichungen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {182--189},
     year = {1958},
     volume = {200},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1958__200_150379/}
}