@article{CMUC_1978_19_1_a7,
     author = {Hahn, Siegfried},
     title = {Ein elementarer {Zugang} zur {Leray-Schauder-Theorie}},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {71--87},
     year = {1978},
     volume = {19},
     number = {1},
     mrnumber = {0500327},
     zbl = {0377.47039},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1978_19_1_a7/}
}