@article{MAN_1935__110_159728,
     author = {F. Rellich},
     title = {Spektraltheorie in nichtseparabeln {R\"aumen.}},
     journal = {Mathematische Annalen},
     pages = {342--356},
     publisher = {mathdoc},
     volume = {110},
     year = {1935},
     zbl = {60.0325.02},
     url = {http://geodesic.mathdoc.fr/item/MAN_1935__110_159728/}
}