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@Book{            book:5285,
  Author        = "Hardy, G. H",
  date-added    = "2020-05-27 10:47:56 +0200",
  date-modified = "2020-05-27 10:47:56 +0200",
  Edition       = "2nd",
  ISBN          = "9781112341748,1112341749",
  Publisher     = "University press",
  Series        = "Cambridge tracts in mathematics and mathematical physics",
  Title         = "Orders of infinity",
  URL           = "http://gen.lib.rus.ec/book/index.php?md5=15d9d61df6a192985dcf2cd8af876a8b",
  Year          = "1954",
  bdsk-url-1    = "http://gen.lib.rus.ec/book/index.php?md5=15d9d61df6a192985dcf2cd8af876a8b",
  File          = "Orders of infinity by G. H Hardy (z-lib.org) - a.pdf",
  file-2        = "Orders of infinity by G. H Hardy (z-lib.org) - a.djvu"
}

@Book{ book:5285, Author = "Hardy, G. H", date-added = "2020-05-27 10:47:56 +0200", date-modified = "2020-05-27 10:47:56 +0200", Edition = "2nd", ISBN = "9781112341748,1112341749", Publisher = "University press", Series = "Cambridge tracts in mathematics and mathematical physics", Title = "Orders of infinity", URL = "http://gen.lib.rus.ec/book/index.php?md5=15d9d61df6a192985dcf2cd8af876a8b", Year = "1954", bdsk-url-1 = "http://gen.lib.rus.ec/book/index.php?md5=15d9d61df6a192985dcf2cd8af876a8b", File = "Orders of infinity by G. H Hardy (z-lib.org) - a.pdf", file-2 = "Orders of infinity by G. H Hardy (z-lib.org) - a.djvu" }