@article{GDZPPN00221878X, title = {Charakterisierung n\"uchterner R\"aume.}, journal = {Manuscripta mathematica}, volume = {17}, year = {1975}, pages = {185-192}, language = {de}, url = {http://dml.mathdoc.fr/item/GDZPPN00221878X} }
Hoffmann, Rudolf - E. Charakterisierung nüchterner Räume.. Manuscripta mathematica, Tome 17 (1975) pp. 185-192. http://gdmltest.u-ga.fr/item/GDZPPN00221878X/