@article{CMH_1970__45_139448,
     author = {Hanspeter Bieri},
     title = {Der {Satz} von {Hahn-Banach} und {Fixpunkts\"atze} in limitierten {Vektorr\"aumen.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {393--404},
     publisher = {mathdoc},
     volume = {45},
     year = {1970},
     zbl = {0201.44503},
     url = {http://geodesic.mathdoc.fr/item/CMH_1970__45_139448/}
}