@Article{         post1944,
  Author        = "Post, Emil L.",
  ajournal      = "Bull. Amer. Math. Soc.",
  date-added    = "2014-01-21 18:39:11 +0000",
  date-modified = "2014-01-21 18:39:11 +0000",
  Journal       = "Bulletin of the American Mathematical Society",
  Month         = "05",
  Number        = "5",
  Pages         = "284--316",
  Publisher     = "American Mathematical Society",
  Title         = "Recursively enumerable sets of positive integers and their decision problems",
  URL           = "http://projecteuclid.org/euclid.bams/1183505800",
  Volume        = "50",
  Year          = "1944",
  bdsk-url-1    = "http://projecteuclid.org/euclid.bams/1183505800",
  File          = "Recursively enumerable sets of positive integers and their decision problems - Post (0) (0) - a - a - p.pdf"
}

@Article{ post1944, Author = "Post, Emil L.", ajournal = "Bull. Amer. Math. Soc.", date-added = "2014-01-21 18:39:11 +0000", date-modified = "2014-01-21 18:39:11 +0000", Journal = "Bulletin of the American Mathematical Society", Month = "05", Number = "5", Pages = "284--316", Publisher = "American Mathematical Society", Title = "Recursively enumerable sets of positive integers and their decision problems", URL = "http://projecteuclid.org/euclid.bams/1183505800", Volume = "50", Year = "1944", bdsk-url-1 = "http://projecteuclid.org/euclid.bams/1183505800", File = "Recursively enumerable sets of positive integers and their decision problems - Post (0) (0) - a - a - p.pdf" }