@article{ARM_2004_40_3_a1,
     author = {\v{C}erych, Jan},
     title = {A characterization of essential sets of function algebras},
     journal = {Archivum mathematicum},
     pages = {229--232},
     year = {2004},
     volume = {40},
     number = {3},
     mrnumber = {2107017},
     zbl = {1115.46041},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_2004_40_3_a1/}
}