@article{MZ_1977__155_172563,
     author = {Hans Weber},
     title = {Ringtopologien auf {Z} und {Q.}},
     journal = {Mathematische Zeitschrift},
     pages = {287--298},
     publisher = {mathdoc},
     volume = {155},
     year = {1977},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MZ_1977__155_172563/}
}