@Article{         10.2307/2372087,
  Author        = "Neumann, B. H.",
  date-added    = "2020-10-25 12:30:40 +0100",
  date-modified = "2020-10-25 12:30:40 +0100",
  ISSN          = "00029327, 10806377",
  Journal       = "American Journal of Mathematics",
  Number        = "1",
  Pages         = "1--18",
  Publisher     = "Johns Hopkins University Press",
  Title         = "On Ordered Groups",
  URL           = "http://www.jstor.org/stable/2372087",
  Volume        = "71",
  Year          = "1949",
  bdsk-url-1    = "http://www.jstor.org/stable/2372087",
  File          = "On Ordered Groups - neumann1949 - a - f.pdf"
}

@Article{ 10.2307/2372087, Author = "Neumann, B. H.", date-added = "2020-10-25 12:30:40 +0100", date-modified = "2020-10-25 12:30:40 +0100", ISSN = "00029327, 10806377", Journal = "American Journal of Mathematics", Number = "1", Pages = "1--18", Publisher = "Johns Hopkins University Press", Title = "On Ordered Groups", URL = "http://www.jstor.org/stable/2372087", Volume = "71", Year = "1949", bdsk-url-1 = "http://www.jstor.org/stable/2372087", File = "On Ordered Groups - neumann1949 - a - f.pdf" }