@article{10_4064_cm_74_2_239_242,
     author = {W. \.Zelazko},
     title = {A semitopological algebra without proper closed subalgebras},
     journal = {Colloquium Mathematicum},
     pages = {239--242},
     publisher = {mathdoc},
     volume = {74},
     number = {2},
     year = {1997},
     doi = {10.4064/cm-74-2-239-242},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-74-2-239-242/}
}