@article{MAN_1978__232_163075,
     author = {Klaus Gero Kalb},
     title = {Selbstadjungierte {Operatoren} als ?dual},
     journal = {Mathematische Annalen},
     pages = {121--130},
     publisher = {mathdoc},
     volume = {232},
     year = {1978},
     zbl = {0349.47018},
     url = {http://geodesic.mathdoc.fr/item/MAN_1978__232_163075/}
}