@article{MAN_1965__162_161333,
     author = {H. HEUSER},
     title = {Eine {Mandelbrojtsche} {Formel} zur {Bestimmung} von {Punkten} aus dem {Spektrum} eines beschr\"ankten {Operators.}},
     journal = {Mathematische Annalen},
     pages = {211--213},
     publisher = {mathdoc},
     volume = {162},
     year = {1965},
     zbl = {0132.35604},
     url = {http://geodesic.mathdoc.fr/item/MAN_1965__162_161333/}
}