@article{MM2_1977__22_154486,
     author = {Werner Rupp},
     title = {Mengenwertige {Masse} und {Fortsetzungen.}},
     journal = {Manuscripta mathematica},
     pages = {137--150},
     year = {1977},
     volume = {22},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MM2_1977__22_154486/}
}