@Article{         Mostowskia,
  Author        = "Mostowski, Andrzej",
  date-added    = "2015-04-23 05:56:53 +0000",
  date-modified = "2015-04-23 05:57:24 +0000",
  Journal       = "The Journal of Symbolic Logic",
  Month         = "March",
  Number        = "1",
  Pages         = "1--31",
  Title         = "On Direct Products of Theories",
  Volume        = "17",
  Year          = "1952"
}

@Article{ Mostowskia, Author = "Mostowski, Andrzej", date-added = "2015-04-23 05:56:53 +0000", date-modified = "2015-04-23 05:57:24 +0000", Journal = "The Journal of Symbolic Logic", Month = "March", Number = "1", Pages = "1--31", Title = "On Direct Products of Theories", Volume = "17", Year = "1952" }