@article{GDZPPN00245470X, title = {Theorie der Punktmengen - Meschkowski, H.; Ahrens, J.}, journal = {Metrika}, volume = {22}, year = {1975}, pages = {187-187}, url = {http://dml.mathdoc.fr/item/GDZPPN00245470X} }
Till, W. Theorie der Punktmengen - Meschkowski, H.; Ahrens, J.. Metrika, Tome 22 (1975) p. 187. http://gdmltest.u-ga.fr/item/GDZPPN00245470X/