%0 Journal Article %A Marcin E. Kuczma %T On a problem of E. Michael concerning topological divisors of zero %J Colloquium Mathematicum %D 1968 %P 295-299 %V 19 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-19-2-295-299/ %R 10.4064/cm-19-2-295-299 %G en %F 10_4064_cm_19_2_295_299