@article{MZ_1974__138_172079,
     author = {Hans F. de Groote},
     title = {Tr\"agertopologien auf me{\ss}baren {R\"aumen.}},
     journal = {Mathematische Zeitschrift},
     pages = {21--34},
     publisher = {mathdoc},
     volume = {138},
     year = {1974},
     zbl = {0289.28004},
     url = {http://geodesic.mathdoc.fr/item/MZ_1974__138_172079/}
}