@article{MAN_1965__159_182689,
     author = {K. KAISER},
     title = {Zur topologisch-invarianten {Behandlung} von {Mengenfolgen.}},
     journal = {Mathematische Annalen},
     pages = {273--277},
     publisher = {mathdoc},
     volume = {159},
     year = {1965},
     zbl = {0139.40402},
     url = {http://geodesic.mathdoc.fr/item/MAN_1965__159_182689/}
}