@article{MAN_1966__163_161352,
     author = {M. LANDSBEBG and TH. RIEDRICH},
     title = {\"Uber positive {Eigenwerte} kompakter {Abbildungen} in topologischen {Vektorr\"aumen.}},
     journal = {Mathematische Annalen},
     pages = {50--61},
     publisher = {mathdoc},
     volume = {163},
     year = {1966},
     zbl = {0141.32502},
     url = {http://geodesic.mathdoc.fr/item/MAN_1966__163_161352/}
}