@article{MAN_1908__65_158350,
     author = {Erhard Schmidt},
     title = {Zur {Theorie} der linearen und nichtlinearen {Integralgleichungen.}},
     journal = {Mathematische Annalen},
     pages = {370--399},
     publisher = {mathdoc},
     volume = {65},
     year = {1908},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1908__65_158350/}
}