@article{MM2_1975__15_154314,
     author = {Rudolf - E. Hoffmann},
     title = {Charakterisierung n\"uchterner {R\"aume.}},
     journal = {Manuscripta mathematica},
     pages = {185--192},
     publisher = {mathdoc},
     volume = {15},
     year = {1975},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MM2_1975__15_154314/}
}