@article{MZ_1976__150_172417,
     author = {Wolfgang Beekmann},
     title = {\"Uber einige limitierungstheoretische {Invarianten.}},
     journal = {Mathematische Zeitschrift},
     pages = {195--200},
     publisher = {mathdoc},
     volume = {150},
     year = {1976},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MZ_1976__150_172417/}
}