@article{10_4064_cm_19_2_295_299,
     author = {Marcin E. Kuczma},
     title = {On a problem of {E.} {Michael} concerning topological divisors of zero},
     journal = {Colloquium Mathematicum},
     pages = {295--299},
     publisher = {mathdoc},
     volume = {19},
     number = {2},
     year = {1968},
     doi = {10.4064/cm-19-2-295-299},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-19-2-295-299/}
}