@article{MZ_1966__93_170575,
     author = {Karlheinz Baumgartner},
     title = {Skalarbereich und {Unterraumverband} eines {Vektorraumes.}},
     journal = {Mathematische Zeitschrift},
     pages = {60--68},
     publisher = {mathdoc},
     volume = {93},
     year = {1966},
     zbl = {0138.01003},
     url = {http://geodesic.mathdoc.fr/item/MZ_1966__93_170575/}
}