✓

@Book{            book:273578,
  Author        = "Just, Winfried and Weese, Martin",
  date-added    = "2022-12-08 08:34:04 +0100",
  date-modified = "2022-12-08 08:34:09 +0100",
  ISBN          = "0821802666,9780821802663",
  Publisher     = "American Mathematical Society",
  Series        = "Graduate Studies in Mathematics 8",
  Title         = "Discovering Modern Set Theory. I: The Basics",
  URL           = "http://gen.lib.rus.ec/book/index.php?md5=eb31cbe6c21e01ba759e9de6f167d2f2",
  Year          = "1995",
  bdsk-url-1    = "http://gen.lib.rus.ec/book/index.php?md5=eb31cbe6c21e01ba759e9de6f167d2f2",
  File          = "Discovering Modern Set Theory. I\_ The Basics - a.pdf"
}

@Book{ book:273578, Author = "Just, Winfried and Weese, Martin", date-added = "2022-12-08 08:34:04 +0100", date-modified = "2022-12-08 08:34:09 +0100", ISBN = "0821802666,9780821802663", Publisher = "American Mathematical Society", Series = "Graduate Studies in Mathematics 8", Title = "Discovering Modern Set Theory. I: The Basics", URL = "http://gen.lib.rus.ec/book/index.php?md5=eb31cbe6c21e01ba759e9de6f167d2f2", Year = "1995", bdsk-url-1 = "http://gen.lib.rus.ec/book/index.php?md5=eb31cbe6c21e01ba759e9de6f167d2f2", File = "Discovering Modern Set Theory. I_ The Basics - a.pdf" }