@article{MZ_1959__71_169815,
     author = {Kurt Leichtweiss},
     title = {Selbstadjungierte {Banach-R\"aume.}},
     journal = {Mathematische Zeitschrift},
     pages = {335--360},
     year = {1959},
     volume = {71},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MZ_1959__71_169815/}
}