A=B

cover

@Book{            book:574444,
  Author        = "Petkovsek, Marko and Wilf, Herbert S. and Zeilberger, Doron",
  date-added    = "2020-04-10 11:07:26 +0200",
  date-modified = "2021-12-07 17:05:51 +0100",
  ISBN          = "9781568810638,1568810636",
  Title         = "A=B",
  URL           = "http://gen.lib.rus.ec/book/index.php?md5=13CE9932091803A3AD52E0DE7FC11049",
  Year          = "1996",
  bdsk-url-1    = "http://gen.lib.rus.ec/book/index.php?md5=13CE9932091803A3AD52E0DE7FC11049",
  File          = "A=B.pdf"
}

@Book{ book:574444, Author = "Petkovsek, Marko and Wilf, Herbert S. and Zeilberger, Doron", date-added = "2020-04-10 11:07:26 +0200", date-modified = "2021-12-07 17:05:51 +0100", ISBN = "9781568810638,1568810636", Title = "A=B", URL = "http://gen.lib.rus.ec/book/index.php?md5=13CE9932091803A3AD52E0DE7FC11049", Year = "1996", bdsk-url-1 = "http://gen.lib.rus.ec/book/index.php?md5=13CE9932091803A3AD52E0DE7FC11049", File = "A=B.pdf" }